MCMedicalCodingSoftware
S20.37

S20.37: Other superficial bite of front wall of thorax

Non-billable headerICD-10-CM

S20.37 is a non-billable header ICD-10-CM code for other superficial bite of front 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

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • open bite of front wall of thorax (S21.14)

Other codes that can never be billed with S20.37

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

  • S21.15Open bite of front wall of thorax without penetration into thoracic cavity
  • S21.35Open bite of front 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 S20.37

5 child codes. Green means billable.

Other codes under S20.3

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.