MCMedicalCodingSoftware
S44.12

S44.12: Injury of median nerve at upper arm level, left arm

Non-billable headerICD-10-CMleft

S44.12 is a non-billable header ICD-10-CM code for injury of median nerve at upper arm level, left arm. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category S44

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above S44.12

A category’s note binds every code beneath it.

Written on S44.1: Injury of median nerve at upper arm level

Excludes2 inherited from the categories above S44.12

Not part of this code, but both may be coded when both are present.

Written on S44: Injury of nerves at shoulder and upper arm level

  • injury of brachial plexus (S14.3-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead S44.12

3 child codes. Green means billable.

Other codes under S44.1

ICD-10-CMFY2027· effective October 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.