DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

E56 Other vitamin deficiencies

  • Header · not billable

E56 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

ICD-10 code by name

What is the ICD-10 code for vitamin deficiency, unspecified?
Vitamin deficiency ICD-10 code: E56.9 Vitamin deficiency, unspecified. Search ICD-10 for vitamin deficiency

Where it sits

  1. Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
  2. E50-E64 Other nutritional deficiencies (E50-E64)
  3. E56 Other vitamin deficiencies
Billable codes
4
Subdivisions
4
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
16

Codes in E56

  1. E56.0
    Deficiency of vitamin E
    Billable
  2. E56.1
    Deficiency of vitamin K
    Billable
    Excludes1 2

    Excludes1

    • deficiency of coagulation factor due to vitamin K deficiency (D68.4) D68.4
    • vitamin K deficiency of newborn (P53) P53
  3. E56.8
    Deficiency of other vitamins
    Billable
  4. E56.9
    Vitamin deficiency, unspecified
    Billable

Sources of each column.

Instructions

At E56

Excludes1

  • sequelae of other vitamin deficiencies (E64.8) E64.8

Notes that also apply

Block E50-E64 instructions (Excludes2 1): printed on the block page.

Chapter 4 instructions (Notes 1, Excludes1 1): printed on the chapter 4 page.

Index entries

  • Tocopherol deficiency → E56.0
  • Menadione deficiency → E56.1
  • Avitaminosis (multiple) → E56.9
  • Neuroavitaminosis → E56.9 [G99.8]
  • Deficiency, deficienttocopherol → E56.0
  • Avitaminosis (multiple)K → E56.1
  • Deficiency, deficientmenadione (vitamin K) → E56.1
  • Deficiency, deficientvitamin (multiple) NOS → E56.9
  • Polyneuritis, polyneuriticdue to lack of vitamin NEC → E56.9 [G63]
  • Deficiency, deficientvitamin (multiple) NOSE → E56.0
  • Deficiency, deficientvitamin (multiple) NOSK → E56.1
  • Deficiency, deficientvitamin (multiple) NOSP → E56.8
  • Deficiency, deficientvitamin (multiple) NOSspecified NEC → E56.8
  • Encephalopathy (acute)in (due to) (with)lack of vitamin → E56.9 [G32.89]
  • Polyneuropathy (peripheral)in (due to)avitaminosis NEC → E56.9 [G63]
  • Polyneuropathy (peripheral)in (due to)lack of vitamin NEC → E56.9 [G63]

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy