S35.318Header code — not billable

Other specified injury of portal vein

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S35
Effective date
October 1, 2026

Related codes in category S35

Frequently asked questions

What is ICD-10 code S35.318?

S35.318 is an ICD-10-CM diagnosis code for Other specified injury of portal vein.

Is S35.318 a billable code?

No. S35.318 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 S35.318 in?

S35.318 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S35.318 become effective?

S35.318 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S35.318?

S35.318 belongs to category S35, 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.