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D50 vs E56

D50 (Iron deficiency anemia) compared with E56 (Other vitamin deficiencies), 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. E56 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 anemiaE56Other vitamin deficiencies
Billing statusNon-billable header

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

Non-billable header

Report instead: E56.0, E56.1, E56.8, E56.9

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).Other vitamin deficiencies is a non-billable ICD-10-CM category code (E56).
Includes
asiderotic anemia
hypochromic anemia
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources