MCMedicalCodingSoftware
S20.91

S20.91: Abrasion of unspecified parts of thorax

Non-billable headerICD-10-CM

S20.91 is a non-billable header ICD-10-CM code for abrasion of unspecified parts of thorax. 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 S20

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above S20.91

A category’s note binds every code beneath it.

Written on S20.9: Superficial injury of unspecified parts of thorax

  • contusion of thorax NOS (S20.20)

Risk adjustment

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

Alphabetic index entries that lead here

  • Abrasion›thorax, thoracic(wall)

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead S20.91

3 child codes. Green means billable.

Other codes under S20.9

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.