K73.1
BillableChronic lobular hepatitis, not elsewhere classified
HCC Category Mapping
V28HCC 65 — Chronic Hepatitis
0.472V24HCC 29 — Chronic Hepatitis
0.245ESRDHCC 29 — Chronic Hepatitis
0.000What This Code Means
Long-term inflammation of the liver affecting the liver lobules (functional units), characterized by a specific pattern of chronic inflammation.
Coding Tips
- •This code requires histological confirmation or clinical documentation of lobular involvement
- •Ensure the condition is not better classified as another type of chronic hepatitis
Clinical Significance
Chronic lobular hepatitis not elsewhere classified represents ongoing liver inflammation affecting the hepatic lobules with unknown etiology. This condition requires investigation for underlying causes and monitoring for progression to more advanced liver disease.
Documentation Requirements
- ✓Documentation of chronic lobular hepatitis
- ✓Evidence of lobular pattern involvement
- ✓Exclusion of other specified hepatitis types
- ✓Chronicity and duration documented
- ✓Laboratory findings supporting diagnosis
- ✓Investigation for potential causes
- ✓Assessment of disease progression
- ✓Treatment and monitoring plan
Commonly Confused Codes
K73.0 — Chronic persistent hepatitis has different histologic patternK71.4 — Toxic lobular hepatitis has specific toxic causeB18.8 — Other chronic viral hepatitis has infectious etiologyK75.4 — Autoimmune hepatitis has immunologic pathogenesisK70.10 — Alcoholic hepatitis has alcohol as specific cause
Code Hierarchy
└K73Chronic hepatitis, not elsewhere classified└K73.1Chronic lobular hepatitis, not elsewhere classified
└K73.1Chronic lobular hepatitis, not elsewhere classified