G93.7 vs K74
G93.7 (Reye's syndrome) compared with K74 (Fibrosis and cirrhosis of liver), 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. K74 carries an Excludes2 note covering G93.7: “Reye's syndrome (G93.7)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| G93.7Reye's syndrome | K74Fibrosis and cirrhosis of liver | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | G00-G99 — Diseases of the Nervous System (G00-G99) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Reye's syndrome is a billable ICD-10-CM diagnosis code (G93.7). | Fibrosis and cirrhosis of liver is a non-billable ICD-10-CM category code (K74). |
| Use additional code | code for adverse effect due to salicylates, if applicable (T39.0-, with sixth character 5) | — |
| Code first | poisoning due to salicylates, if applicable (T39.0-, with 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