Q79: Congenital malformations of musculoskeletal system, not elsewhere classified
Codes under Q79 (Congenital malformations of musculoskeletal system, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Q79.0 | Congenital diaphragmatic hernia | ✓ |
| Q79.0 | Congenital diaphragmatic hernia | ✓ |
| Q79.1 | Other congenital malformations of diaphragm | ✓ |
| Q79.1 | Other congenital malformations of diaphragm | ✓ |
| Q79.2 | Exomphalos | ✓ |
| Q79.2 | Exomphalos | ✓ |
| Q79.3 | Gastroschisis | ✓ |
| Q79.3 | Gastroschisis | ✓ |
| Q79.4 | Prune belly syndrome | ✓ |
| Q79.4 | Prune belly syndrome | ✓ |
| Q79.5 | Other congenital malformations of abdominal wall | — |
| Q79.5 | Other congenital malformations of abdominal wall | — |
| Q79.6 | Ehlers-Danlos syndromes | — |
| Q79.6 | Ehlers-Danlos syndromes | — |
| Q79.8 | Other congenital malformations of musculoskeletal system | ✓ |
| Q79.8 | Other congenital malformations of musculoskeletal system | ✓ |
| Q79.9 | Congenital malformation of musculoskeletal system, unspecified | ✓ |
| Q79.9 | Congenital malformation of musculoskeletal system, unspecified | ✓ |
| Q79.51 | Congenital hernia of bladder | ✓ |
| Q79.51 | Congenital hernia of bladder | ✓ |
| Q79.59 | Other congenital malformations of abdominal wall | ✓ |
| Q79.59 | Other congenital malformations of abdominal wall | ✓ |
| Q79.60 | Ehlers-Danlos syndrome, unspecified | ✓ |
| Q79.60 | Ehlers-Danlos syndrome, unspecified | ✓ |
| Q79.61 | Classical Ehlers-Danlos syndrome | ✓ |
| Q79.61 | Classical Ehlers-Danlos syndrome | ✓ |
| Q79.62 | Hypermobile Ehlers-Danlos syndrome | ✓ |
| Q79.62 | Hypermobile Ehlers-Danlos syndrome | ✓ |
| Q79.63 | Vascular Ehlers-Danlos syndrome | ✓ |
| Q79.63 | Vascular Ehlers-Danlos syndrome | ✓ |
| Q79.69 | Other Ehlers-Danlos syndromes | ✓ |
| Q79.69 | Other Ehlers-Danlos syndromes | ✓ |
Frequently asked questions
What is ICD-10-CM code Q79?
Q79 is an ICD-10-CM category covering Congenital malformations of musculoskeletal system, not elsewhere classified. It contains 32 more specific diagnosis codes, 28 of which are billable.
Is Q79 a billable code?
No — Q79 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 Q79.0 — Congenital diaphragmatic hernia). 28 of the 32 codes under Q79 are billable.
What codes fall under Q79?
Q79 includes Q79.0, Q79.0, Q79.1, Q79.1, Q79.2, plus 27 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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