E84: Cystic fibrosis
Codes under E84 (Cystic fibrosis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| E84.0 | Cystic fibrosis with pulmonary manifestations | ✓ |
| E84.0 | Cystic fibrosis with pulmonary manifestations | ✓ |
| E84.1 | Cystic fibrosis with intestinal manifestations | — |
| E84.1 | Cystic fibrosis with intestinal manifestations | — |
| E84.8 | Cystic fibrosis with other manifestations | ✓ |
| E84.8 | Cystic fibrosis with other manifestations | ✓ |
| E84.9 | Cystic fibrosis, unspecified | ✓ |
| E84.9 | Cystic fibrosis, unspecified | ✓ |
| E84.11 | Meconium ileus in cystic fibrosis | ✓ |
| E84.11 | Meconium ileus in cystic fibrosis | ✓ |
| E84.19 | Cystic fibrosis with other intestinal manifestations | ✓ |
| E84.19 | Cystic fibrosis with other intestinal manifestations | ✓ |
Frequently asked questions
What is ICD-10-CM code E84?
E84 is an ICD-10-CM category covering Cystic fibrosis. It contains 12 more specific diagnosis codes, 10 of which are billable.
Is E84 a billable code?
No — E84 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example E84.0 — Cystic fibrosis with pulmonary manifestations). 10 of the 12 codes under E84 are billable.
What codes fall under E84?
E84 includes E84.0, E84.0, E84.1, E84.1, E84.8, plus 7 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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