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Home/Diagnosis/ICD-10 Coding for Thiamine Deficiency

ICD-10 Coding for Thiamine Deficiency

E51
E51.1
E51.2

Complete ICD-10-CM coding and documentation guide for icd-10 coding for thiamine deficiency includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Vitamin B1 Deficiency
Beriberi
Wernicke's Encephalopathy
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Key Information: ICD-10 Coding for Thiamine Deficiency

Essential facts and insights about ICD-10 Coding for Thiamine Deficiency

Use ICD-10 code E51 for thiamine deficiency, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Thiamine deficiency

Non-Billable
E51
Non-Billable

Diagnostic Criteria

  • • Clinical symptoms of thiamine deficiency
  • • Laboratory confirmation of low thiamine levels

Applicable To

  • • Thiamine deficiency not otherwise specified

Important Notes

  • • Ensure documentation specifies thiamine deficiency to avoid using unspecified codes.

Beriberi

Non-Billable
E51.1
Non-Billable

Diagnostic Criteria

  • • Symptoms such as peripheral edema, cardiomegaly, or neurologic symptoms
  • • Laboratory confirmation of low thiamine levels

Applicable To

  • • Dry beriberi
  • • Wet beriberi

Important Notes

  • • Ensure documentation includes specific symptoms of beriberi.

Wernicke's Encephalopathy

Billable Code
E51.2
Billable

Diagnostic Criteria

  • • Presence of the clinical triad: oculomotor abnormalities, ataxia, confusion
  • • MRI findings or laboratory confirmation of low thiamine levels

Applicable To

  • • Acute Wernicke's encephalopathy

Important Notes

  • • Ensure documentation includes the full clinical triad for accurate coding.

Other manifestations of thiamine deficiency

Billable Code
E51.8
Billable

Diagnostic Criteria

  • • Symptoms such as peripheral neuropathy or aphonia
  • • Laboratory confirmation of low thiamine levels

Applicable To

  • • Peripheral neuropathy due to thiamine deficiency

Important Notes

  • • Ensure documentation specifies the specific manifestations of thiamine deficiency.

Thiamine deficiency, unspecified

Billable Code
E51.9
Billable

Diagnostic Criteria

  • • General symptoms of thiamine deficiency without specific manifestation

Important Notes

  • • Use only when specific manifestations are not documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

F10.9

Alcohol use disorder

Use if Wernicke's Encephalopathy is related to alcohol use.

Frequently Asked Questions

What is the ICD-10 code for Wernicke's Encephalopathy?

The ICD-10 code for Wernicke's Encephalopathy is E51.2, which is used when the clinical triad of oculomotor abnormalities, ataxia, and confusion is documented.

Can thiamine deficiency be coded if only prophylactic treatment is given?

No, thiamine deficiency should not be coded if only prophylactic treatment is given without lab confirmation of deficiency.

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