Alphabetic Index FY2027

D55

Anemia due to enzyme disorders

FY2027Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism/D55–D59 Hemolytic anemias

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

D55 is a non-billable ICD-10-CM code category for anemia due to enzyme disorders. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are D55.0 Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiency, D55.1 Anemia due to other disorders of glutathione metabolism, D55.2 Anemia due to disorders of glycolytic enzymes, D55.3 Anemia due to disorders of nucleotide metabolism and 2 more. Its coding notes include 1 Excludes1 entry and 9 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • drug-induced enzyme deficiency anemia (D59.2)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (9 notes)
Inherited from Chapter 3 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
  • autoimmune disease (systemic) NOS (M35.9)
  • certain conditions originating in the perinatal period (P00-P96)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • human immunodeficiency virus [HIV] disease (B20)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

More specific codes under D55 6