Non-Billable / Non-Specific Code
ICD-10-CM K73 is the diagnosis code for Chronic hepatitis, not elsewhere classified. This code falls under the section "Diseases of liver" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as K73. They are mutually exclusive:
Understanding where K73 sits in the ICD-10-CM classification helps ensure proper coding:
No, K73 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
K73 is the ICD-10-CM diagnosis code for "Chronic hepatitis, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
K73 is located in Section K70-K77 — "Diseases of liver" within Chapter 11 of the ICD-10-CM Tabular List.
K73 has 5 sub-code(s) that provide more specific detail: K73.0, K73.1, K73.2, K73.8, K73.9.
Use K73 when the patients documented diagnosis matches "Chronic hepatitis, not elsewhere classified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Chronic hepatitis, not elsewhere classified is K73.
No, K73 is non-billable. Use a more specific sub-code for primary diagnosis billing.
K73 is in Chapter 11 of the ICD-10-CM Tabular List.
Type 1 Excludes for K73 include: alcoholic hepatitis (chronic) (K70.1-); drug-induced hepatitis (chronic) (K71.-); granulomatous hepatitis (chronic) NEC (K75.3) and more.
Yes, K73 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.