D55
⚠ Non-billable
Anemia due to enzyme disorders
ICD-10-CM · FY2026 · Diseases of the Blood and Blood-Forming Organs
Code
D55
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Blood and Blood-Forming Organs
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D55?
ICD-10-CM code D55 represents Anemia due to enzyme disorders. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Blood and Blood-Forming Organs chapter, effective October 1, 2025 – September 30, 2026.
Is D55 billable?
No. D55 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is D55 in?
D55 belongs to the Diseases of the Blood and Blood-Forming Organs chapter (D50–D89) of ICD-10-CM.
Related codes in the D55 category
D55.0
Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiency
Billable
D55.1
Anemia due to other disorders of glutathione metabolism
Billable
D55.2
Anemia due to disorders of glycolytic enzymes
Non-billable
D55.3
Anemia due to disorders of nucleotide metabolism
Billable
D55.8
Other anemias due to enzyme disorders
Billable
D55.9
Anemia due to enzyme disorder, unspecified
Billable
D55.21
Anemia due to pyruvate kinase deficiency
Billable
D55.29
Anemia due to other disorders of glycolytic enzymes
Billable
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