S31.521Header code — not billable

Laceration with foreign body of unspecified external genital organs, male

Short description: Laceration w fb of unsp external genital organs, male

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S31
Effective date
October 1, 2026

Related codes in category S31

Frequently asked questions

What is ICD-10 code S31.521?

S31.521 is an ICD-10-CM diagnosis code for Laceration with foreign body of unspecified external genital organs, male.

Is S31.521 a billable code?

No. S31.521 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 S31.521 in?

S31.521 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S31.521 become effective?

S31.521 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S31.521?

S31.521 belongs to category S31, 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.