Q84: Other congenital malformations of integument
Codes under Q84 (Other congenital malformations of integument). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Q84.0 | Congenital alopecia | ✓ |
| Q84.0 | Congenital alopecia | ✓ |
| Q84.1 | Congenital morphological disturbances of hair, not elsewhere classified | ✓ |
| Q84.1 | Congenital morphological disturbances of hair, not elsewhere classified | ✓ |
| Q84.2 | Other congenital malformations of hair | ✓ |
| Q84.2 | Other congenital malformations of hair | ✓ |
| Q84.3 | Anonychia | ✓ |
| Q84.3 | Anonychia | ✓ |
| Q84.4 | Congenital leukonychia | ✓ |
| Q84.4 | Congenital leukonychia | ✓ |
| Q84.5 | Enlarged and hypertrophic nails | ✓ |
| Q84.5 | Enlarged and hypertrophic nails | ✓ |
| Q84.6 | Other congenital malformations of nails | ✓ |
| Q84.6 | Other congenital malformations of nails | ✓ |
| Q84.8 | Other specified congenital malformations of integument | ✓ |
| Q84.8 | Other specified congenital malformations of integument | ✓ |
| Q84.9 | Congenital malformation of integument, unspecified | ✓ |
| Q84.9 | Congenital malformation of integument, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code Q84?
Q84 is an ICD-10-CM category covering Other congenital malformations of integument. It contains 18 more specific diagnosis codes, 18 of which are billable.
Is Q84 a billable code?
No — Q84 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 Q84.0 — Congenital alopecia). 18 of the 18 codes under Q84 are billable.
What codes fall under Q84?
Q84 includes Q84.0, Q84.0, Q84.1, Q84.1, Q84.2, plus 13 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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