AHIMA CCS EXAM SCRIPT VERIFIED
QUESTIONS AND SOLUTIONS COMPLETE
REVIEW MATERIAL
●● ICD-10-CM is used for what?
Answer: Diagnoses in ALL settings (inpatient and outpatient).
Maintained by NCHS/CDC.
●● ICD-10-PCS is used for what?
Answer: Inpatient hospital procedures only. Maintained by CMS.
●● CPT is used for what?
Answer: Physician/professional services, outpatient procedures, and
E/M services. Maintained by AMA.
●● What is the Principal Diagnosis (UHDDS)?
Answer: Condition established after study to be chiefly responsible for
occasioning the admission.
●● What does UHDDS stand for?
Answer: Uniform Hospital Discharge Data Set - standard for inpatient
reporting.
, ●● What is a POA Indicator Y?
Answer: Condition present at the time of inpatient admission.
●● What is a POA Indicator N?
Answer: Condition not present at time of admission (Hospital-
Acquired).
●● What is a POA Indicator W?
Answer: Clinically undetermined.
●● What is a POA Indicator U?
Answer: Documentation insufficient to determine.
●● What is a Hospital-Acquired Condition (HAC)?
Answer: Condition not POA that Medicare does not pay higher DRG for.
●● What is the difference between MCC and CC?
Answer: MCC = Major Complication/Comorbidity (higher impact on
DRG); CC = Complication/Comorbidity (lower impact).
●● What does MS-DRG stand for?
Answer: Medicare Severity Diagnosis Related Group - inpatient
payment system.
QUESTIONS AND SOLUTIONS COMPLETE
REVIEW MATERIAL
●● ICD-10-CM is used for what?
Answer: Diagnoses in ALL settings (inpatient and outpatient).
Maintained by NCHS/CDC.
●● ICD-10-PCS is used for what?
Answer: Inpatient hospital procedures only. Maintained by CMS.
●● CPT is used for what?
Answer: Physician/professional services, outpatient procedures, and
E/M services. Maintained by AMA.
●● What is the Principal Diagnosis (UHDDS)?
Answer: Condition established after study to be chiefly responsible for
occasioning the admission.
●● What does UHDDS stand for?
Answer: Uniform Hospital Discharge Data Set - standard for inpatient
reporting.
, ●● What is a POA Indicator Y?
Answer: Condition present at the time of inpatient admission.
●● What is a POA Indicator N?
Answer: Condition not present at time of admission (Hospital-
Acquired).
●● What is a POA Indicator W?
Answer: Clinically undetermined.
●● What is a POA Indicator U?
Answer: Documentation insufficient to determine.
●● What is a Hospital-Acquired Condition (HAC)?
Answer: Condition not POA that Medicare does not pay higher DRG for.
●● What is the difference between MCC and CC?
Answer: MCC = Major Complication/Comorbidity (higher impact on
DRG); CC = Complication/Comorbidity (lower impact).
●● What does MS-DRG stand for?
Answer: Medicare Severity Diagnosis Related Group - inpatient
payment system.
