S20.171Header code — not billable

Other superficial bite of breast, right breast

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S20
Effective date
October 1, 2026

Related codes in category S20

Frequently asked questions

What is ICD-10 code S20.171?

S20.171 is an ICD-10-CM diagnosis code for Other superficial bite of breast, right breast.

Is S20.171 a billable code?

No. S20.171 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is S20.171 in?

S20.171 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S20.171 become effective?

S20.171 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S20.171?

S20.171 belongs to category S20, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.