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D64.9 — Anemia, unspecified
D64.9
What this code means
Anaemia means a low level of haemoglobin or red blood cells, reducing the blood's oxygen-carrying capacity.
Also called: anemia, low haemoglobin.
When this code is used
Used when anaemia is documented without a specified cause or type.
Where it sits in ICD-10-CM
Code D64.9 belongs to Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism, which covers codes D50–D89 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Watch: related videos
Frequently asked questions
What is ICD-10-CM code D64.9?
D64.9 is the ICD-10-CM diagnosis code for “Anemia, unspecified”. Anaemia means a low level of haemoglobin or red blood cells, reducing the blood's oxygen-carrying capacity.
When is code D64.9 used?
Used when anaemia is documented without a specified cause or type. It belongs to Chapter 3 of ICD-10-CM (Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.