MCMCB Pro
X73.9XXS

X73.9XXSIntentional self-harm by unspecified larger firearm discharge, sequela

Billable / specific codeICD-10-CMPOA exempt

X73.9XXS is a billable, specific ICD-10-CM code for intentional self-harm by unspecified larger firearm discharge, sequela. It is valid for submission on a claim.

7th character "S" — sequela

The appropriate 7th character is to be added to each code from category X73

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

X73.9XXS 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 X73.9. If X73.9XXS is not quite right, the correct code is usually one of these.

Questions about X73.9XXS

Is X73.9XXS a billable ICD-10-CM code?
Yes. X73.9XXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does X73.9XXS sit in the tabular list?
External causes of morbidity (V00-Y99), in the block Intentional self-harm (X71-X83).
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.