E56 – Other vitamin deficiencies
ICD-10-CM 2027 diagnosis code · Other nutritional deficiencies
ICD-10-CM code
E56
- Code
E56(claims format:E56)- Description
- Other vitamin deficiencies
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E50-E64 Other nutritional deficiencies
Billable codes under E56
E56 is a header code and cannot be used on claims. Choose the most specific code:
- E56.0 – Deficiency of vitamin EBillable
- E56.1 – Deficiency of vitamin KBillable
- E56.8 – Deficiency of other vitaminsBillable
- E56.9 – Vitamin deficiency, unspecifiedBillable
Notes for E56
Excludes1 (not coded here):
- sequelae of other vitamin deficiencies (E64.8)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block E50-E64
Frequently asked questions
What is ICD-10 code E56?
E56 is the ICD-10-CM code for other vitamin deficiencies, in the block E50-E64 (Other nutritional deficiencies).
Is E56 a billable code?
No. E56 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.