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E56.1

✓ Billable

Deficiency of vitamin K

Endocrine, nutritional and metabolic diseases (E00-E89)

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❌ Excludes1

direct

Cannot be coded with E56.1

  • • deficiency of coagulation factor due to vitamin K deficiency (D68.4)
  • • vitamin K deficiency of newborn (P53)

❌ Excludes1

inherited from E56

Rules from parent category E56: Other vitamin deficiencies

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

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Code Information

CodeE56.1
BillableYes
ParentE56
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes13 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)