2026
ICD-10-CM
Diagnosis
Code

E51 Thiamine deficiency

  • Non-billable
  • 2016–2026

E51 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Thiamine deficiency.

Type 1 excludes

  • Sequelae of thiamine deficiency (E64.8)

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