K73
Chronic hepatitis, not elsewhere classified
K73 is a non-billable ICD-10-CM code category for chronic hepatitis, not elsewhere classified. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K73.0 Chronic persistent hepatitis, not elsewhere classified; K73.1 Chronic lobular hepatitis, not elsewhere classified; K73.2 Chronic active hepatitis, not elsewhere classified; K73.8 Other chronic hepatitis, not elsewhere classified and 1 more. Its coding notes include a Use additional code instruction, 6 Excludes1 entries and 12 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
- code, if applicable, for ascites (R18.8)
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (12 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)