ICD-10-CM Diagnosis Coding Flashcards
6 cards from real Certified Medical Coding Specialist practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 ICD-10-CM Diagnosis Coding flashcards as text
Which ICD-10-CM code category is used to report type 2 diabetes mellitus without complications?
Answer: E11.9
E11.9 is the ICD-10-CM code for type 2 diabetes mellitus without complications.
In ICD-10-CM, what does the 7th character 'A' typically indicate in injury codes?
Answer: Initial encounter
The 7th character 'A' in ICD-10-CM injury codes designates the initial encounter for active treatment.
Which ICD-10-CM guideline requires coding the underlying condition first, followed by the manifestation?
Answer: Etiology/manifestation convention
The etiology/manifestation convention requires the underlying disease to be sequenced first, with the manifestation code listed secondarily.
An Excludes1 note in ICD-10-CM means:
Answer: The excluded condition cannot be coded together with the code above it
Excludes1 indicates a pure exclusion — the two conditions cannot occur together, so both codes should never be assigned simultaneously.
Which section of ICD-10-CM contains codes for factors influencing health status, such as vaccination status?
Answer: Z codes
Z codes (Z00–Z99) in ICD-10-CM classify factors influencing health status and contact with health services, including vaccination status.
When coding a patient with essential hypertension and chronic kidney disease stage 3, the coder should assign:
Answer: I12.9 — hypertensive chronic kidney disease with stage 3 CKD
ICD-10-CM presumes a causal relationship between hypertension and CKD, requiring the combination code I12.9 plus N18.3.