K73.1 ICD-10-CA code: Chronic lobular hepatitis, not elsewhere classified
K73.1 is the ICD-10-CA code for “Chronic lobular hepatitis, not elsewhere classified” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
K73.1Chronic lobular hepatitis, not elsewhere classified
Short description: Chronic lobular hepatitis NEC
ICD-10-CA · Canada · Also written K731
Index terms
Entries in CIHI’s alphabetical index that lead to K73.1. Searching the index by the condition the note names is how coders reach this code.
- Hepatitis, chronic, lobular NEC
Notes for K73.1
As CIHI prints them, with any note K73.1 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Hepatitis (chronic):• alcoholic (K70.1)• drug-induced (K71.-)• granulomatous NEC (K75.3)• reactive, nonspecific (K75.2)• viral (B15-B19)From K73 Chronic hepatitis, not elsewhere classified
- Haemochromatosis (E83.1-)jaundice NOS (R17.0)Reye's syndrome (G93.7)viral hepatitis (B15-B19)Wilson's disease (E83.0)From K70-K77 Diseases of liver
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 11: Diseases of the digestive system (K00-K93)
Where K73.1 sits
- 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
- 2Block K70-K77Diseases of liver
- 3Category K73Chronic hepatitis, not elsewhere classified
- 4Valid code K73.1Chronic lobular hepatitis, not elsewhere classified
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code K73.1 mean?
K73.1 is the ICD-10-CA code for “Chronic lobular hepatitis, not elsewhere classified” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is K73.1 in ICD-10-CA?
K73.1 sits under K73 Chronic hepatitis, not elsewhere classified, within K70-K77 Diseases of liver, within Chapter 11: Diseases of the digestive system (K00-K93).
What coding notes apply to K73.1?
ICD-10-CA lists Excludes notes for K73.1, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.