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D50 vs E42

D50 (Iron deficiency anemia) compared with E42 (Marasmic kwashiorkor), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. E42 carries an Excludes2 note covering D50: “nutritional anemias (D50-D53)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

D50Iron deficiency anemiaE42Marasmic kwashiorkor
Billing statusNon-billable header

Report instead: D50.0, D50.1, D50.8, D50.9

Billable
ClassificationD50-D89 — Diseases of the Blood and Blood-forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89)E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89)
DefinitionIron deficiency anemia is a non-billable ICD-10-CM category code (D50).Marasmic kwashiorkor is a billable ICD-10-CM diagnosis code (E42).
Includes
asiderotic anemia
hypochromic anemia
Intermediate form severe protein-calorie malnutrition
Severe protein-calorie malnutrition with signs of both kwashiorkor and marasmus

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources