E84 vs K86.89
E84 (Cystic fibrosis) compared with K86.89 (Other specified diseases of pancreas), 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. K86.89 carries an Excludes2 note covering E84: “fibrocystic disease of pancreas (E84.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| E84Cystic fibrosis | K86.89Other specified diseases of pancreas | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Cystic fibrosis is a non-billable ICD-10-CM category code (E84). | Other specified diseases of pancreas is a billable ICD-10-CM diagnosis code (K86.89). |
| Includes | mucoviscidosis | Aseptic pancreatic necrosis, unrelated to acute pancreatitis Atrophy of pancreas Calculus of pancreas Cirrhosis of pancreas |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources