E51.9
E51.9: Thiamine deficiency, unspecified
Billable / specific codeICD-10-CM
E51.9 is a billable, specific ICD-10-CM code for thiamine deficiency, unspecified. It is valid for submission on a claim.
Check E51.9 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
E51.9 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A54969Billing and Coding: Nerve Conduction Studies and Electromyography
- A56619Billing and Coding: Nerve Conduction Studies and Electromyography
- A57307Billing and Coding: Nerve Conduction Studies and Electromyography
- A57478Billing and Coding: Nerve Conduction Studies and Electromyography
Alphabetic index entries that lead here
- Aneurin deficiency
- Thiamin deficiency
- Deficiency, deficient›aneurin
- Deficiency, deficient›thiamin, thiaminic(chloride)
- Deficiency, deficient›vitamin NOS›B1 NOS
- Deficiency, deficient›vitamin NOS›thiamin
Code history
Unchanged in every release from FY2024 to FY2027.