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COC Final Exam Prep 2025 – 100+ Verified Coding Questions | Medical Billing & Coding | Surgery, OB/GYN, Neurology, Radiology | AAPC

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This expertly organized document contains over 100 verified and up-to-date practice questions for the 2025 Certified Outpatient Coder (COC) final exam. Covering real-world outpatient coding scenarios, the material includes detailed case studies and operative reports followed by accurate answers using CPT®, ICD-10-CM, and HCPCS codes. It reflects the most recent coding guidelines and reimbursement policies as per Medicare and OPPS regulations. Topics span across multiple high-yield specialties such as general and orthopedic surgery, obstetrics and gynecology, radiology, ENT, urology, oncology, cardiology, neurology, dermatology, and emergency care. Each scenario helps reinforce code selection, sequencing, medical necessity documentation, and payer-specific guidelines, making it ideal for comprehensive exam preparation. This resource is ideal for students in the following programs: Medical Billing and Coding Health Information Management (HIM) Healthcare Administration Medical Reimbursement & Claims Pre-certification and coding boot camps It is especially suited for those preparing for professional coding certifications from the AAPC (COC, CPC) or AHIMA, and aligns with curricula from institutions such as DeVry University, Purdue University Global, University of Phoenix, and other vocational colleges and online medical coding programs. Whether used as a mock exam, coding lab supplement, or last-minute review before certification testing, this document provides targeted, realistic practice to strengthen coding knowledge, accuracy, and exam confidence. Keywords: COC exam 2025, CPT coding questions, ICD-10-CM practice, outpatient coding scenarios, AAPC COC preparation, healthcare billing codes, surgery coding quiz, OB GYN coding, neurology coding cases, radiology CPT review, HCPCS coding exercises, Medicare coding guidelines, medical billing exam, coding certification prep, medical coding study guide

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October 23, 2025
Number of pages
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Written in
2025/2026
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COC 2020 - FINAL EXAM STUDY
QUESTIONS (SET 7) 2025 EXPERT
VERIFIED | ACE THE TEST



Medicare payment for inPt eligible new tech is based on the cost to the

hospital for the new tech. Medicare pays: - 🧠 ANSWER ✔✔50% for the

costs of the new tech in excess of the full MS-DRG payment

Medicare reimbursable drugs are found in this code book. - 🧠 ANSWER

✔✔HCPCS Level II Rationale: Medicare reimbursable drugs are found in

the HCPCS Level II code book. Medicare reimbursable drugs must be

billed in the appropriate dosage amount defined by the long descriptor of

their respective HCPCS Level II codes and adjusted for the units to reflect

the amount of drug administered.


MeV: - 🧠 ANSWER ✔✔Radiation dosage in million electron volts =

maximum energy level of the X-ray beam

,Modifier TC is reported on the UB-04 claim form. True or False? Why? - 🧠

ANSWER ✔✔False. Modifier TC indicates the technical component. This is

understood in the facility setting and is not reported on the UB-04.

Mr. Elliot visits the surgeon for evaluation for a wedge resection ofleft lung

cancer. During the admission, the patient reports pain in the chest due to

the malignancy. Applying the coding concept from ICD-10-CM guideline

I.C.6.b.5, what ICD-10-CM code(s) should be reported? - 🧠 ANSWER

✔✔C34.92, G89.3


Mr. McFarland visits his oncologist for prostate cancer. He is reporting

more fatigue than usual. Lab tests determine the patient has anemia due to

the cancer. Applying the coding concept from ICD-10-CM guideline

I.C.2.c.l, what ICD-10-CM codes should be reported for the visit? - 🧠

ANSWER ✔✔C61, D63.0


Mr. Smith is scheduled for a splenectomy for hypersplenism. Before his

splenectomy, he is required to have clearance from his pulmonologist. The

pulmonologist performs a pre-operative screening. Applying the coding

concept from ICD-10-CM guideline IV.M, which ICD-10-CM codes would be

reported for the pre-operative clearance? - 🧠 ANSWER ✔✔Z01.811, D73.1

,Mr. Smith presents to the office for a screening test to detect sickle cell

disorder. What ICD-10-CM code(s) is/are reported? - 🧠 ANSWER ✔✔Z13.0


Mr. Timmins fell off a roof and suffered a spinal injury. As a result of the

injury, he has been suffering from chronic pain in his lower back for several

years. Today, he presents for insertion of a neurostimulator for pain control.

Applying the coding concept from ICD-10-CM guidelines I.C.6.b.l.a and

I.C.6.b.l.b.ii, what ICD-10-CM codes should be reported for the pain? (Do

not code the external cause.) - 🧠 ANSWER ✔✔G89.21, M54.5


Mrs. Bixby, 83, is being admitted for dehydration and anorexia. The

probable cause is dementia. She was brought in by her daughter who is

visiting from out of town. Her daughter will take her from our office to St.

Mary's. The gerontology unit will evaluate her mental condition tomorrow

after she is stabilized. How would you code the diagnoses? - 🧠 ANSWER

✔✔R63.0, E86.0


Mrs. Fryer visits her nephrologist for an erythropoietin (EPO) injection for

her anemia. She has Stage 3 chronic kidney disease, which is the cause of

the anemia. Applying the coding concept from ICD-10-CM guideline I.A.13,

what ICD- 10-CM code(s) should be reported for the EPO injection? - 🧠

ANSWER ✔✔N18.3,D63.1

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, Mrs. Johnson is here today to receive an intercostal nerve block to mitigate

the debilitating pain of her malignancy. Her cancer has metastasized to her

bones in her thoracic spine Primary cancer is unknown. What ICD-10-CM

codes are reported? - 🧠 ANSWER ✔✔G89.3, C79.51,C80.1


Mrs. Smith is visiting her mother and is 150 miles away from home. She is

in the 26th week of pregnancy. In the late afternoon she suddenly feels a

gush of fluid followed by strong uterine contractions. She is rushed to the

hospital but the baby is born before they arrive. In the ED, she and the

baby are examined, and the retained placenta is delivered. The baby is in

the neonatal nursery doing okay. Mrs. Smith has a 2nd degree perineal

laceration secondary to precipitous delivery, which was repaired by the ED

physician. She will return home for her postpartum care. What codes does

the facility ED report (CPT® and ICD-10-CM codes)? - 🧠 ANSWER

✔✔59414, 59300, O73.0, O70.1, Z37.0, Z3A.26


Multifield: - 🧠 ANSWER ✔✔Use of three or more fields to deliver dosage


Muscle is attached to bone by what method? - 🧠 ANSWER ✔✔Tendons,

aponeurosis and directly to the bone
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