ICD-10-CM > D50-D89 > D55-D59 > D55 D55 Anemia due to enzyme disorders Non-Billable/Non-Specific Type 1 Excludes drug-induced enzyme deficiency anemia (D59.2) Codes D55.0Anemia due to glucose-6-phosphate dehydrogenase [G6PD] deficiencyD55.1Anemia due to other disorders of glutathione metabolismD55.2Anemia due to disorders of glycolytic enzymesD55.21Anemia due to pyruvate kinase deficiencyD55.29Anemia due to other disorders of glycolytic enzymesD55.3Anemia due to disorders of nucleotide metabolismD55.8Other anemias due to enzyme disordersD55.9Anemia due to enzyme disorder, unspecified