Q73: Reduction defects of unspecified limb
Codes under Q73 (Reduction defects of unspecified limb). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Q73.0 | Congenital absence of unspecified limb(s) | ✓ |
| Q73.0 | Congenital absence of unspecified limb(s) | ✓ |
| Q73.1 | Phocomelia, unspecified limb(s) | ✓ |
| Q73.1 | Phocomelia, unspecified limb(s) | ✓ |
| Q73.8 | Other reduction defects of unspecified limb(s) | ✓ |
| Q73.8 | Other reduction defects of unspecified limb(s) | ✓ |
Frequently asked questions
What is ICD-10-CM code Q73?
Q73 is an ICD-10-CM category covering Reduction defects of unspecified limb. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is Q73 a billable code?
No — Q73 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 Q73.0 — Congenital absence of unspecified limb(s)). 6 of the 6 codes under Q73 are billable.
What codes fall under Q73?
Q73 includes Q73.0, Q73.0, Q73.1, Q73.1, Q73.8, plus 1 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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