E56.1 – Deficiency of vitamin K

ICD-10-CM 2027 diagnosis code · Other nutritional deficiencies

Billable code

ICD-10-CM code E56.1
Code
E56.1 (claims format: E561)
Description
Deficiency of vitamin K
Billable
Yes – valid for HIPAA-covered transactions
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
Parent codes
E56

Notes for E56.1

Excludes1 (not coded here):
  • deficiency of coagulation factor due to vitamin K deficiency (D68.4)
  • vitamin K deficiency of newborn (P53)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

E56 – Other vitamin deficiencies

Excludes1 (not coded here):
  • sequelae of other vitamin deficiencies (E64.8)

Block E50-E64

Excludes2 (not included here):

Index terms for E56.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in E56

Frequently asked questions

What is ICD-10 code E56.1?

E56.1 is the ICD-10-CM code for deficiency of vitamin K, in the block E50-E64 (Other nutritional deficiencies).

Is E56.1 a billable code?

Yes. E56.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E56.1 belong to?

It belongs to category E56 – Other vitamin deficiencies.

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.