D55 ICD-10-CM Code: Anemia due to enzyme disorders
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
D55Anemia due to enzyme disorders
ICD-10-CM diagnosis code · United States clinical modification
Where D55 sits
- 1
Chapter 3
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
- 2
Section
Hemolytic anemias (D55-D59)
- 3
Category D55
Anemia due to enzyme disorders
- 4
Code D55
Anemia due to enzyme disorders
Codes under D55
D55 is a non-billable category. Choose the child code that best matches the documented diagnosis.
D55.0Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiencyD55.1Anemia due to other disorders of glutathione metabolismD55.2Anemia due to disorders of glycolytic enzymesD55.3Anemia due to disorders of nucleotide metabolismD55.8Other anemias due to enzyme disordersD55.9Anemia due to enzyme disorder, unspecifiedNotes for this code
Inclusion terms
No inclusion terms are listed for D55.
Code first
No “code first” instruction is listed for D55.
Use additional code
No “use additional code” instruction is listed for D55.
Excludes1
Conditions that should not be reported together with this code.
- drug-induced enzyme deficiency anemia (D59.2)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for D55.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code D55 mean?
D55 is the FY 2027 U.S. ICD-10-CM code for “Anemia due to enzyme disorders.”
Is D55 a billable or specific ICD-10-CM code?
No. D55 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is D55 located in ICD-10-CM?
D55 is listed in Chapter 3, Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), within Hemolytic anemias (D55-D59) (D55–D59), under category D55, Anemia due to enzyme disorders.
What coding notes are listed for D55?
No inclusion terms are listed for D55 in this reference record. No code-first instruction is listed. Excludes1 notes: drug-induced enzyme deficiency anemia (D59.2). No Excludes2 note is listed.