D55.21
BillableAnemia due to pyruvate kinase deficiency
D55.21 is the ICD-10-CM code for Anemia due to pyruvate kinase deficiency. It is a billable, specific code valid for reimbursement.
D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
What this means — in plain language
MedlinePlus · NIHIf you have anemia, your blood does not carry enough oxygen to the rest of your body. The most common cause of anemia is not having enough iron . Your body needs iron to make hemoglobin. Hemoglobin is an iron-rich protein that gives the red color to blood. It carries oxygen from the lungs to the rest of the body. Anemia has three main causes: blood loss, lack of red blood cell production, and high rates of red blood…
Read more about Anemia at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •PK deficiency anemia
- •Pyruvate kinase deficiency anemia
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code D55.21?
- D55.21 is the ICD-10-CM code for "Anemia due to pyruvate kinase deficiency". It falls under D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
- Is D55.21 a billable code?
- Yes — D55.21 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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