D50 vs E55

D50 (Iron deficiency anemia) compared with E55 (Vitamin D deficiency), 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. E55 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 anemia	E55Vitamin D deficiency
Billing status	Non-billable header Report instead: D50.0, D50.1, D50.8, D50.9	Non-billable header Report instead: E55.0, E55.9
Classification	D50-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)
Definition	Iron deficiency anemia is a non-billable ICD-10-CM category code (D50).	Vitamin D deficiency is a non-billable ICD-10-CM category code (E55).
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