ICD-10 Code D64.9: Anemia, unspecified
Diseases of the blood and blood-forming organs
ICD-10 code D64.9 identifies unspecified anemia when the type and cause are not documented.
Coding guidance
Should be replaced with a specific anemia code once laboratory evaluation identifies the type.
Iron deficiency anemia (D50.-), vitamin B12 deficiency anemia (D51.-) and anemia in chronic disease (D63.-) are coded separately.
Anemia in chronic kidney disease requires D63.1 with the CKD stage coded additionally.
Documentation and specificity notes
- Specify anemia type once laboratory workup is complete.
- Anemia in chronic disease requires coding the underlying condition.
- Unspecified anemia reduces risk-adjustment accuracy.
Related codes
This page provides a general summary for educational purposes and is not a substitute for the official ICD-10-CM code set, the ICD-10-CM Official Guidelines for Coding and Reporting, or payer policy. Code sets are updated annually, verify against the current official release before billing.
FAQ
ICD-10 D64.9, frequently asked questions questions
- What is ICD-10 code D64.9?
- ICD-10 code D64.9 identifies unspecified anemia when the type and cause are not documented.
- Is D64.9 a billable ICD-10 code?
- Yes. D64.9 is a billable and specific ICD-10-CM code that may be used to indicate a diagnosis for reimbursement purposes, provided documentation supports it.
- What documentation supports D64.9?
- Specify anemia type once laboratory workup is complete. Anemia in chronic disease requires coding the underlying condition. Unspecified anemia reduces risk-adjustment accuracy.
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