HCPCS- APPENDIX 2- MODIFIERS EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

1 HCPCS- APPENDIX 2- MODIFIERS EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ A1 Correct Answer: Dressing for one wound. A2 Correct Answer: Dressing for two wounds. A3 Correct Answer: Dressing for three wounds. A4 Correct Answer: Dressing for four wounds. A5 Correct Answer: Dressing for five wounds. A6 Correct Answer: Dressing for six wounds. 2 A7 Correct Answer: Dressing for seven wounds. A8 Correct Answer: Dressing for 8 wounds. A9 Correct Answer: Dressing for 9 or more wounds. AA Correct Answer: Anesthesia services performed personally by anesthesiologist. AD Correct Answer: Medical supervision by a physician; more than 4 concurrent anesthesia procedures AE Correct Answer: Registed dietician. AF Correct Answer: Specialty physician. 3 AG Correct Answer: Primary physician. AH Correct Answer: Clinical psychologist. AI Correct Answer: Principal physician of record. AJ Correct Answer: Clinical social worker. AK Correct Answer: Nonparticipating physician. AM Correct Answer: Physician, team member service AO Correct Answer: Alternate payment method declined by provider service AP 4 Correct Answer: Determination of refractive state was not performed in the course of diagnostic opthalmological examination AQ Correct Answer: Physician providing a service in an unlisted health professional shortage area (HPSA) AR Correct Answer: Physician provider services in a physician scarcity area AS Correct Answer: Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery AT Correct Answer: Acute treatment (this modifier should used when reporting service 98940, 98941, 98942) AU Correct Answer: Item furnished in conjunction with a urological, stony, or tracheostomy supply. AV 5 Correct Answer: Item furnished in conjunction with a prosthetic devise, prosthetic or orthotic. AW Correct Answer: Item furnished in conjunction with a surgical dressing AX Correct Answer: Item furnished in conjunction with dialysis services AY Correct Answer: Item or service furnished to an ESRD patient that is not for the treatment of ESRD AZ Correct Answer: Physician providing a service in a dental health professional shortage area for the purpose of electronic health record incentive payment BA Correct Answer: Item furnished in conjunction with parenteral enteral nutrition (PEN) service BL Correct Answer: Special acquisition of blood and blood products 6 BO Correct Answer: Orally administered nutrition, not by feeding tube BP Correct Answer: The beneficiary has been informed of the purchase and rental options and has elected to purchase the item BR Correct Answer: The beneficiary has been informed of the purchase and rental options and has elected to rent the item BU Correct Answer: The beneficiary has been informed of the purchase and rental options and after 30 days has not informed the supplier of his/her decision CA Correct Answer: Procedure payable only in the inpatient setting when performed emergently on an outpatient who expires prior to admission. CB 7 Correct Answer: Service ordered by a rental dialysis facility (RDF) physician as part of the ESRD beneficiary's dialysis benefit, is not part of the composite rate, and is separately reimbursable CC Correct Answer: Procedure code change (use __________ when the procedure code was changed either fr administrative reasons or because an incorrect code was filed) CD Correct Answer: AMCC test has been ordered by an ESRD facility or MCP physician that is part of the composite rate and is not separately billable CE Correct Answer: AMCC test has been ordered by an ESRD facility or MCP physician that is a composite rate test but is beyond the normal frequency covered under the rate and is separately reimbursable based on medical necessity. CF Correct Answer: AMCC test has been ordered by an ESRD facility or MCP physician that is not part of the composite rate and is separately billable. CG 8 Correct Answer: Policy criteria applied CH Correct Answer: 0 percent impaired, limited or restricted CI Correct Answer: At least 1 percent but less than 20 percent impaired, limited or restricted CJ Correct Answer: At least 20 percent but less than 40 percent impaired, limited or restricted CK Correct Answer: At least 40 percent but less than 60 percent impaired, limited or restricted CL Correct Answer: At least 60 percent but less than 80 percent impaired, limited or restricted CM 9 Correct Answer: At least 80 percent but less than 100 percent impaired, limited or restricted CN Correct Answer: 100 percent impaired, limited or restricted CO Correct Answer: Outpatient occupational therapy services furnished in whole or in part by an occupational therapy assistant CQ Correct Answer: Outpatient physical therapy services furnished in whole or in part by a physical therapist assistant CR Correct Answer: Catastrophe/Disaster related CS Correct Answer: Item or service related, in whole or in part, to an illness, injury, or condition that was caused by or exacerbated by the effects, direct or indirect, of the 2010 oil spill in the Gulf of Mexico, including but not limited to subsequent clean up activities. 10 CT Correct Answer: Computed tomography services furnished using equipment that does not meet each other attributes of the national electrical manufacturers association (NEMA) XR-29-2013 standard DA Correct Answer: Oral health assessment by a licensed health professional other than a dentist. E1 Correct Answer: Upper left, eyelid E2 Correct Answer: Lower left, eyelid E3 Correct Answer: Upper right, eyelid E4 Correct Answer: Lower right, eyelid EA 11 Correct Answer: Erythropoetic stimulating agent (ESA) administered to treat anemia due to anticancer chemotherapy. EB Correct Answer: Erythropoetic stimulating agent (ESA) administered to treat anemia due to anticancer radiotherapy EC Correct Answer: Erythropoetic stimulating agent (ESA) administered to treat anemia not due to anticancer radiotherapy or anticancer chemotherapy. ED Correct Answer: Hematocrit level has exceeded 39% (or hemoglobin level has exceeded 13.0G/dl) for 3 or more consecutive billing cycles immediately prior to and including current cycle. EE Correct Answer: Hematocrit level has not exceeded 39% (or hemoglobin level has not exceeded 13.0G/dl) for 3 or more consecutive billing cycles immediately prior to and including current cycle EJ 12 Correct Answer: Subsequent claims for a defined course of therapy, e.g., EPO, sodium hyaluronate, infliximab EM Correct Answer: Emergency reserve supply (for ESRD benefit only) EP Correct Answer: Service provided as part of Medicaid early periodic screening diagnosis and treatment (EPSDT) program ER Correct Answer: Outpatient physical therapy services furnished in whole or in part by a physical therapist assistant. ET Correct Answer: Emergency services EX Correct Answer: Expatriate beneficiary EY Correct Answer: No physician or other licensed health care provider order for this item or service 13 F1 Correct Answer: Left hand, second digit F2 Correct Answer: Left hand, third digit F3 Correct Answer: Left hand, fourth digit F4 Correct Answer: Left hand, fifth digit F5 Correct Answer: Right hand, thumb F6 Correct Answer: Right hand, second digit F7 Correct Answer: Right hand, third digit F8 14 Correct Answer: Right hand, fourth digit F9 Correct Answer: Right hand, fifth digit FA Correct Answer: Left hand, thumb FB Correct Answer: Item provided without cost to provider, supplier or practitioner, or full credit received for replaced device (examples, but not limited to, covered under warranty, replaced due to defect, free samples) FC Correct Answer: Partial credit received for replaced device FP Correct Answer: Service provided as part of family planning program FX Correct Answer: X-ray taken using film FY 15 Correct Answer: X-ray taken using computed radiography technology/cassettebased imaging G0 Correct Answer: Telehealth services for diagnosis, evaluation, or treatment, of symptoms of an acute stroke G1 Correct Answer: Most recent URR reading of less than 60 G2 Correct Answer: Most recent URR reading of 60 to 64.9 G3 Correct Answer: Most recent URR reading of 65 to 69.9 G4 Correct Answer: Most recent URR reading of 70 to 74.9 G5 Correct Answer: Most recent URR reading of 75 or greater G6 16 Correct Answer: ESRD patient for whom less than 6 dialysis sessions have been provided in a month G7 Correct Answer: Pregnancy resulted from rape or incest or pregnancy certified by physicians as life threatening G8 Correct Answer: Monitored anesthesia care (MAC) for deep complex, complicated, or markedly invasive surgical procedure. G9 Correct Answer: Monitored anesthesia care for patient who has history of severe cardiopulmonary condition GA Correct Answer: Waiver of liability statement issued as required by payer policy, individual case GB Correct Answer: Claim being resubmitted for payment because it is no longer covered under a global payment demonstration 17 GC Correct Answer: This service has been performed in part by a resident under the direction of a teaching physician GD Correct Answer: Units of service exceeds medically unlikely edit value and represents reasonable and necessary services GE Correct Answer: This service has been performed by a resident without the presence of a teaching physician under the primary care exception GF Correct Answer: Nonphysician (e.g. nurse practitioner (NP), certified registered nurse anesthetist (CRNA), certified registered nurse (CRN), clinical nurse specialist (CNS), physician assistant (PA)) services in a critical access hospital GG Correct Answer: Performance and payment of a screening mammogram and diagnostic mammogram on the same patient, same day GH 18 Correct Answer: Diagnostic mammogram converted from screening mammogram on same day. GJ Correct Answer: "opt out" physician or practitioner emergency or urgent service GK Correct Answer: Reasonable and necessary item/service associated with GA or GZ modifier GL Correct Answer: Medically unnecessary upgrade provided instead of non upgraded item, no charge, no advance beneficiary notice (ABN) GM Correct Answer: Multiple patients on one ambulance trip GN Correct Answer: Services delivered under an outpatient speech language pathology plan of care GO 19 Correct Answer: Services delivered under an outpatient occupational therapy plan of care GP Correct Answer: Services delivered under an outpatient physical therapy plan of care GQ Correct Answer: Via asynchronous telecommunications system GR Correct Answer: This service was performed in whole or in part by a resident in a department of veterans affairs medical center or clinic, supervised in accordance with VA policy GS Correct Answer: Dosage of erythropoietin stimulating agent has been reduced and maintained in response to hematocrit or hemoglobin level GT Correct Answer: Via interactive audio and video telecommunication systems GU 20 Correct Answer: Waiver of liability statement issued as required by payer policy, routine notice. GV Correct Answer: Attending physician not employed or paid under arrangement y the patient's hospice provider GW Correct Answer: Service is not related to the hospice patient's terminal condition GX Correct Answer: Notice of liability issued, voluntary under payer policy GZ Correct Answer: Item or service expected to be denied as not reasonable and necessary H9 Correct Answer: Court-ordered HA Correct Answer: Child/adolescent program 21 HB Correct Answer: Adult program, nongeriatric HC Correct Answer: Adult program, geriatric HD Correct Answer: Pregnant/parenting women's program HE Correct Answer: Mental health program HF Correct Answer: Substance abuse program HG Correct Answer: Opioid addiction treatment program HH Correct Answer: Integrated mental health/substance abuse program. HI 22 Correct Answer: Integrated mental health and intellectual disability/developmental disabilities program. HJ Correct Answer: Employee assistance program HK Correct Answer: Specialized mental health programs for high-risk populations HL Correct Answer: Intern HM Correct Answer: Less than bachelor degree level HN Correct Answer: Bachelors degree level HO Correct Answer: Master's degree level HP Correct Answer: Doctoral level 23 HQ Correct Answer: Group setting HR Correct Answer: Family/couple with client present HS Correct Answer: Family/couple without client present HT Correct Answer: Multi-disciplinary team HU Correct Answer: Funded by child welfare agency HV Correct Answer: Funded state addictions agency HW Correct Answer: Funded by state mental health agency HX 24 Correct Answer: Funded by county/local agency HY Correct Answer: Funded by juvenile justice agency HZ Correct Answer: Funded by criminal justice agency J1 Correct Answer: Competitive acquisisti program no-pay submission for a prescription number J2 Correct Answer: Competitive acquisition program, restocking of emergency drugs after emergency administration J3 Correct Answer: Competitive acquisition program (CAP), drug not available through CAP as written, reimbursed under average sales price methodology. J4 Correct Answer: DMEPOS item subject to DMEPOS competitive bidding program that is furnished by a hospital upon discharge. 25 JA Correct Answer: Administered intravenously JB Correct Answer: Administered subcutaneously JC Correct Answer: Skin substitute used as a graft JD Correct Answer: Skin substitute not used as a graft JE Correct Answer: Administered via dialysate JG Correct Answer: Drug or biological acquired with 340B drug pricing program discount JW Correct Answer: Drug amount discarded/not administered to any patient K0 26 Correct Answer: Lower extremity prosthesis functional level 0- does not have the ability or potential to ambulate or transfer safely with or without assistance and a prosthesis does not enhance their qualify of life or mobility K1 Correct Answer: Lower extremity prosthesis functional level 1- has the ability or potential to use a prosthesis for transfers or ambulation on level surfaces at fixed cadence, typical of the limited or unlimited household ambulator. K2 Correct Answer: Lower extremity prosthesis function level 2- has the ability or potential for ambulation with the ability to traverse low level environmental barriers such as curbs, stairs, or uneven surfaces. Typical of the limited community ambulator. K3 Correct Answer: Lower extremity prothesis function level 3- has the ability or potential for ambulation with variable cadence, typical of the community ambulator who has the ability to traverse most environmental barriers and may have vocational, therapeutic, or exercise activity that demands prothetic utilization beyond simple locomotion K4 27 Correct Answer: Lower extremity prothesis functional level 4- has the ability or potential for prosthetic ambulation that exceeds the basic ambulation skill, exhibiting high impact, stress, or energy levels, typical of the prothetic demands of the child, active adult, or athlete. KA Correct Answer: Add on option/accessory for wheelchair KB Correct Answer: Beneficiary requested upgrade for ABN, more than 4 modifiers identified on claim KC Correct Answer: Replacement of special power wheelchair interface KD Correct Answer: Drug or biological infused through DME KE Correct Answer: Bid under round one of the DMEPOS competitive bidding program for use with noncompetitive bid base equipment KF 28 Correct Answer: Item designated by FDA as class III device KG Correct Answer: DMEPOS item subject to DMEPOS competitive bidding program number 1 KH Correct Answer: DMEPOS item, initial claim, purchase or first month rental KI Correct Answer: DMEPOS item, 2nd or 3rd month rental KJ Correct Answer: DMEPOS item, parenteral enteral nutrition (PEN) pump or capped rental, months 4 to 15 KK Correct Answer: DMEPOS item subject to DMEPOS competitive bidding program number 2 KL Correct Answer: DMEPOS item delivered via mail 29 KM Correct Answer: Replacement of facial prothesis including new impression/moulage KN Correct Answer: Replacement of facial prothesis using previous master model KP Correct Answer: Single drug unit dose formulation KQ Correct Answer: Second or subsequent drug of a multiple drug unit dose formulation KR Correct Answer: Rental item, billing for partial month KS Correct Answer: Glucose monitor supply for diabetic beneficiary not treated with insulin KT Correct Answer: Beneficiary resides in a competitive bidding area and travels outside that competitive bidding area and receives a competitive bid item. 30 KU Correct Answer: DMEPOS item subject to DMEPOS competitive bidding program number 3 KV Correct Answer: DMEPOS item subject to DMEPOS competitive bidding program that is furnished as part of a professional service KW Correct Answer: DMEPOS item subject to DMEPOS competitive bidding program number 4 KX Correct Answer: Requirements specified in the medical policy have been met KY Correct Answer: DMEPOS item subject to DMEPOS competitive bidding program number 5 KZ Correct Answer: New coverage not implemented by managed care LC 31 Correct Answer: Left circumflex coronary artery LD Correct Answer: Left anterior descending coronary artery LL Correct Answer: Lease/rental (use the LL modifier when DME equipment rental is to be applied against the purchase price) LM Correct Answer: Left main coronary artery LR Correct Answer: Laboratory round trip LS Correct Answer: FDA-monitored intraocular lens implant LT Correct Answer: Left side (used to identify procedures performed on the left side of the body) M2 32 Correct Answer: Medicare secondary payer (MSP) MS Correct Answer: Six month maintenance and servicing fee for reasonable and necessary parts and labor which are not covered under any manufacturer or supplier warranty NB Correct Answer: Nebulizer system, any type, FDA-cleared for use with specific drug NR Correct Answer: New when rented (Use the NR modifier when DME which has new at the time of rental is subsequently purchased) NU Correct Answer: New equipment P1 Correct Answer: A normal healthy patient P2 Correct Answer: A patient with mild systemic disease 33 P3 Correct Answer: A patient with severe systemic disease P4 Correct Answer: A patient with severe systemic disease that is a constant threat to life P5 Correct Answer: A moribund patient who is not expected to survive without the operation P6 Correct Answer: A declared brain-dead patient whose organs are being removed for donor purposes PA Correct Answer: Surgical or other invasive procedure done on wrong body part PB Correct Answer: Surgical or other invasive procedure done on wrong patient PC Correct Answer: Wrong surgery or other invasive procedure on patient 34 PD Correct Answer: Diagnostic or related non diagnostic item or service provided in a wholly owned or operated entity to a patient who is admitted as an inpatient within 3 days PI Correct Answer: Position emission tomography (PET) or PET/computed tomography (CT) to inform the initial treatment strategy of tumors that are biopsy proven or strongly suspected of being cancerous based on other diagnostic testing PL Correct Answer: Progressive addition lenses PM Correct Answer: Post mortem PN Correct Answer: Non-expected service provided at an off-campus, outpatient, provider-based department of a hospital PO 35 Correct Answer: Excepted service provided at an off-campus, outpatient, providerbased department of a hospital PS Correct Answer: Position emission tomography (PET) or PET/computed tomography (CT) to inform the subsequent treatment strategy of cancerous tumors when the beneficiary's treating physician determines that the PET study is needed to inform subsequent anti-tumor strategy PT Correct Answer: Colorectal cancer screening test; converted to diagnostic test or other procedure Q0 Correct Answer: Investigational clinical service provided in a clinical research study that is in an approved clinical research study Q1 Correct Answer: Routine clinical service provided in a clinical research study that is in an approved clinical research study Q2 Correct Answer: Demonstration procedure/service 36 Q3 Correct Answer: Live kidney donor surgery and related services Q4 Correct Answer: Service for ordering/referring physician qualifies as a service exemption Q5 Correct Answer: Service furnished under a reciprocal billing arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area Q6 Correct Answer: Service furnished under a fee-for-time compensation arrangement by a substitute physician or by a substitute physical therapist furnishing outpatient physical therapy services in a health professional shortage area, a medically underserved area, or a rural area Q7 Correct Answer: One Class A finding 37 Q8 Correct Answer: Two Class B findings Q9 Correct Answer: One class B and 2 class C findings QA Correct Answer: Prescribed amount of stationary oxygen for daytime use while at rest and nighttime use differ and the average of the two amounts is less than 1 liter per minute (LPM) QB Correct Answer: Prescribed amounts of stationary oxygen for daytime use while at rest and nighttime use differ and the average of the two amounts exceeds 4 liters per minute (LPM) and portable oxygen is prescribed QC Correct Answer: Single channel monitoring QD Correct Answer: Recording and storage in solid state memory by a digital recorder SJ 38 Correct Answer: Third or more concurrently administered infusion therapy SK Correct Answer: Member of high risk population (use only with codes for immunization) SL Correct Answer: State supplied vaccine SM Correct Answer: Second surgical opinion SN Correct Answer: Third surgical opinion SQ Correct Answer: Item ordered by home health SS Correct Answer: Home infusion services provided in the infusion suite of the IV therapy provider ST 39 Correct Answer: Related to trauma or injury SU Correct Answer: Procedure performed in physician's office (to denote use of facility and equipment) SV Correct Answer: Pharmaceuticals delivered to a patient's home but not utilized SW Correct Answer: Services provided by a certified diabetic educator SY Correct Answer: Person's who are in close contact with member of high-risk population (use only with codes for immunization) T1 Correct Answer: Left foot, second digit T2 Correct Answer: Left foot, third digit T3 40 Correct Answer: Left foot, fourth digit T4 Correct Answer: Left foot, fifth digit T5 Correct Answer: Right foot, great toe T6 Correct Answer: Right foot, second digit T7 Correct Answer: Right foot, third digit T8 Correct Answer: Right foot, fourth digit T9 Correct Answer: Right foot, fifth digit TA Correct Answer: Left foot, great toe 41 TB Correct Answer: Drug or biological acquired with 340B drug pricing program discount, reported for informational purposes TC Correct Answer: Technical component. Under certain circumstances, a charge may be made for the technical component alone. Under those circumstances the technical component charge is identified by adding modifier code "TC" to the usual procedure number. Technical component charges are institutional charges and not billed separately by physicians. However, portable x-ray suppliers only bill for technical components and should utilize the modifier TC. The charge data from the portable x-ray suppliers will then be used to build customary and prevailing profiles. TD Correct Answer: RN TE Correct Answer: LPN/LVN TF Correct Answer: Intermediate level of care TG 42 Correct Answer: Complex/high tech level of care TH Correct Answer: Obstetrical treatment/services, prenatal or postpartum TJ Correct Answer: Program group, child and/or adolescent TK Correct Answer: Extra patient or passenger, non-ambulance TL Correct Answer: Early intervention/individualized family service plan (IFSP) TM Correct Answer: Individualized education program (IEP) TN Correct Answer: Rural/outside providers' customary service area TP Correct Answer: Medical transport, unloaded vehicle 43 TQ Correct Answer: Basic life support transport by a volunteer ambulance provider TR Correct Answer: School-based individualized education program (IEP) services provided outside the public school district responsible for the student TS Correct Answer: Follow-up service TT Correct Answer: Individualized service provided to more than one patient in same setting TU Correct Answer: Special payment rate, overtime TV Correct Answer: Special payment rate, holidays/weekends TW Correct Answer: Back-up equipment 44 U1 Correct Answer: Medicare level of care 1, as defined by each state U2 Correct Answer: Medicare level of care 2, as defined by each state U3 Correct Answer: Medicare level of care 3, as defined by each state U4 Correct Answer: Medicare level of care 4, as defined by each state U5 Correct Answer: Medicare level of care 5, as defined by each state U6 Correct Answer: Medicare level of care 6, as defined by each state U7 Correct Answer: Medicare level of care 7, as defined by each state U8 Correct Answer: Medicare level of care 8, as defined by each state 45 U9 Correct Answer: Medicare level of care 9, as defined by each state UA Correct Answer: Medicare level of care 10, as defined by each state UB Correct Answer: Medicare level of care 11, as defined by each state UC Correct Answer: Medicare level of care 12, as defined by each state UD Correct Answer: Medicare level of care 13, as defined by each state UE Correct Answer: Used durable medical equipment UF Correct Answer: Services provided in the morning UG 46 Correct Answer: Services provided in the afternoon UH Correct Answer: Services provided in the evening UJ Correct Answer: Services provided at night UK Correct Answer: Services provided on behalf of the client to someone other than the client (collateral relationship) UN Correct Answer: 2 patients served UP Correct Answer: 3 patients served UQ Correct Answer: 4 patients served UR Correct Answer: 5 patients served 47 US Correct Answer: 6 or more patients served V1 Correct Answer: Demonstration modifier 1 V2 Correct Answer: Demonstration modifier 2 V3 Correct Answer: Demonstration modifier 3 V5 Correct Answer: Vascular catheter (alone or with any other vascular access) V6 Correct Answer: Arteriovenous graft (or other vascular access not including a vascular catheter) V7 Correct Answer: Arteriovenous fistula only (in use with 2 needles) 48 VM Correct Answer: Medicare Diabetes Prevention Program (MDPP) virtual make-up session VP Correct Answer: Aphakic patient X1 Correct Answer: Continuous/broad services: for reporting services by clinicians, who provide the principal care for a patient, with no planned endpoint of the relationship; services in this category represent comprehensive care, dealing with the entire scope of patient problems, either directly or in a care coordination role; reporting clinician service examples include, but are not limited to: primary care, and clinicians providing comprehensive care to patients in addition to specialty care X2 Correct Answer: Continuous/focused services: for reported services by clinicians whose expertise is needed for ongoing management of a chronic disease or a condition that needs to be managed and followed with no planned endpoint to the relationship; reporting clinician service examples include but are not limited to: a rheumatologist taking care of the patient's rheumatoid arthritis longitudinally but not providing general primary care services. 49 X3 Correct Answer: Episodic/broad services: for reporting services by clinicians who have broad responsibility for the comprehensive needs of the patient that is listed to a defined period and circumstances such as hospitalization; reporting clinician service examples include but are not limited to the hospitalist's services rendered providing comprehensive and general care to a patient while admitted to the hospital X4 Correct Answer: Episodic/focused services; for reporting services by clinicians who provide focused care on particular types of treatment limited to a defined period and circumstances; the patient has a problem, acute or chronic, that will be treated with surgery, intervention; reporting clinician service examples include but are not limited to, the orthopedic surgeon performing a knee replacement and seeing the patient through the postoperative period X5 Correct Answer: Diagnostic service requested by another clinician: for reporting services by a clinician who furnishes care to the patient only as requested by another clinician or subsequent and related served requested by another clinician; this modifier is reported for patient relationships that may not be adequately captured by the above alternative categories; reported clinician service examples include but are not limited to , the radiologist's interpretation of an imaging study requested by another clinician. 50 XE Correct Answer: Separate encounter, a service that is distinct because it occurred during a separate encounter XP Correct Answer: Separate practitioner, a service that is distinct because it was performed by a different practitioner XS Correct Answer: Separate structure, a service that is distinct because it was performed on a separate organ/structure XU Correct Answer: Unusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main service Correct Answer: