Other vitamin deficiencies (E56) ICD-10-CM
The E56 code range covers other vitamin deficiencies with 5 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- sequelae of other vitamin deficiencies E64.8
Codes in the E56 Range 5 codes · 4 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the E56 range.
Avitaminosis
A condition due to a deficiency of one or more essential vitamins. (Dorland, 27th ed)
About the E56 Code Range
A vitamin deficiency means a shortage of a vitamin. These deficiencies sit within the larger group of other nutritional deficiencies.
E56 separates E56.0 for vitamin E deficiency and E56.1 for vitamin K deficiency. E56.8 covers deficiencies of other vitamins, while E56.9 identifies an unspecified vitamin deficiency.
Questions About This Page
How many billable codes are in the E56 range?
Of the 5 codes in this range, 4 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the E56 range classify?
The range classifies other vitamin deficiencies. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.