K73Header code — not billable

Chronic hepatitis, not elsewhere classified

Chapter
11. Diseases of the digestive system
Category
K73
Effective date
October 1, 2026

Related codes in category K73

K73.0Chronic persistent hepatitis, not elsewhere classifiedYesK73.1Chronic lobular hepatitis, not elsewhere classifiedYesK73.2Chronic active hepatitis, not elsewhere classifiedYesK73.8Other chronic hepatitis, not elsewhere classifiedYesK73.9Chronic hepatitis, unspecifiedYes

Frequently asked questions

What is ICD-10 code K73?

K73 is an ICD-10-CM diagnosis code for Chronic hepatitis, not elsewhere classified.

Is K73 a billable code?

No. K73 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 K73 in?

K73 falls under Chapter 11: Diseases of the digestive system.

When did K73 become effective?

K73 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to K73?

K73 belongs to category K73, which includes 5 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.