E83.01 vs K71
E83.01 (Wilson's disease) compared with K71 (Toxic liver disease), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. K71 carries an Excludes2 note covering E83.01: “Wilson's disease (E83.01)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| E83.01Wilson's disease | K71Toxic liver disease | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Wilson's disease is a billable ICD-10-CM diagnosis code (E83.01). | Toxic liver disease is a non-billable ICD-10-CM category code (K71). |
| Includes | — | drug-induced idiosyncratic (unpredictable) liver disease drug-induced toxic (predictable) liver disease |
| Use additional code | — | code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
| Code first | — | poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources