T22.439

T22.439: Corrosion of unspecified degree of unspecified upper arm

Non-billable headerICD-10-CMunspecified

T22.439 is a non-billable header ICD-10-CM code for corrosion of unspecified degree of unspecified upper 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 T22

A: initial encounter
D: subsequent encounter
S: sequela

Excludes2 inherited from the categories above T22.439

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

Written on T22: Burn and corrosion of shoulder and upper limb, except wrist and hand

burn and corrosion of interscapular region (T21.-)
burn and corrosion of wrist and hand (T23.-)

Risk adjustment

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

Alphabetic index entries that lead here

Corrosion›above elbow

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T22.439

3 child codes. Green means billable.