D55.21Billable
Anemia due to pyruvate kinase deficiency
- Chapter
- 3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- Category
- D55
- Effective date
- October 1, 2026
Related codes in category D55
D55Anemia due to enzyme disordersD55.0Anemia due to glucose-6-phosphate dehydrogenase deficiencyYesD55.1Anemia due to other disorders of glutathione metabolismYesD55.2Anemia due to disorders of glycolytic enzymesD55.29Anemia due to other disorders of glycolytic enzymesYesD55.3Anemia due to disorders of nucleotide metabolismYesD55.8Other anemias due to enzyme disordersYesD55.9Anemia due to enzyme disorder, unspecifiedYes
Frequently asked questions
What is ICD-10 code D55.21?
D55.21 is an ICD-10-CM diagnosis code for Anemia due to pyruvate kinase deficiency.
Is D55.21 a billable code?
Yes. D55.21 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is D55.21 in?
D55.21 falls under Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
When did D55.21 become effective?
D55.21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to D55.21?
D55.21 belongs to category D55, which includes 8 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.