S20.4

S20.4: Other and unspecified superficial injuries of back wall of thorax

Non-billable headerICD-10-CM

S20.4 is a non-billable header ICD-10-CM code for other and unspecified superficial injuries of back wall 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

Other codes that can never be billed with S20.4

Their own Excludes1 notes name this code, so the conflict is not listed above.

S21.25Open bite of back wall of thorax without penetration into thoracic cavity
S21.45Open bite of back wall of thorax with penetration into thoracic cavity

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 S20.4

7 child codes. Green means billable.