MCMCB Pro
Y36.470A

Y36.470AWar operations involving unintentional restriction of air and airway, military personnel, initial encounter

Billable / specific codeICD-10-CMPOA exempt

Y36.470A is a billable, specific ICD-10-CM code for war operations involving unintentional restriction of air and airway, military personnel, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to each code from category Y36

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

Y36.470A does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Related codes at this level

Codes that share Y36.470. If Y36.470A is not quite right, the correct code is usually one of these.

Questions about Y36.470A

Is Y36.470A a billable ICD-10-CM code?
Yes. Y36.470A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Y36.470A sit in the tabular list?
External causes of morbidity (V00-Y99), in the block Legal intervention, operations of war, military operations, and terrorism (Y35-Y38).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.