D55: Anemia due to enzyme disorders
Codes under D55 (Anemia due to enzyme disorders). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D55.0 | Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiency | ✓ |
| D55.0 | Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiency | ✓ |
| D55.1 | Anemia due to other disorders of glutathione metabolism | ✓ |
| D55.1 | Anemia due to other disorders of glutathione metabolism | ✓ |
| D55.2 | Anemia due to disorders of glycolytic enzymes | — |
| D55.2 | Anemia due to disorders of glycolytic enzymes | — |
| D55.3 | Anemia due to disorders of nucleotide metabolism | ✓ |
| D55.3 | Anemia due to disorders of nucleotide metabolism | ✓ |
| D55.8 | Other anemias due to enzyme disorders | ✓ |
| D55.8 | Other anemias due to enzyme disorders | ✓ |
| D55.9 | Anemia due to enzyme disorder, unspecified | ✓ |
| D55.9 | Anemia due to enzyme disorder, unspecified | ✓ |
| D55.21 | Anemia due to pyruvate kinase deficiency | ✓ |
| D55.21 | Anemia due to pyruvate kinase deficiency | ✓ |
| D55.29 | Anemia due to other disorders of glycolytic enzymes | ✓ |
| D55.29 | Anemia due to other disorders of glycolytic enzymes | ✓ |
Frequently asked questions
What is ICD-10-CM code D55?
D55 is an ICD-10-CM category covering Anemia due to enzyme disorders. It contains 16 more specific diagnosis codes, 14 of which are billable.
Is D55 a billable code?
No — D55 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 D55.0 — Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiency). 14 of the 16 codes under D55 are billable.
What codes fall under D55?
D55 includes D55.0, D55.0, D55.1, D55.1, D55.2, plus 11 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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