R71: Abnormality of red blood cells
Codes under R71 (Abnormality of red blood cells). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R71.0 | Precipitous drop in hematocrit | ✓ |
| R71.0 | Precipitous drop in hematocrit | ✓ |
| R71.8 | Other abnormality of red blood cells | ✓ |
| R71.8 | Other abnormality of red blood cells | ✓ |
Frequently asked questions
What is ICD-10-CM code R71?
R71 is an ICD-10-CM category covering Abnormality of red blood cells. It contains 4 more specific diagnosis codes, 4 of which are billable.
Is R71 a billable code?
No — R71 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 R71.0 — Precipitous drop in hematocrit). 4 of the 4 codes under R71 are billable.
What codes fall under R71?
R71 includes R71.0, R71.0, R71.8, R71.8. 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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