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.

ICD-10 Coding for Thiamine Deficiency(E51, E51.1, E51.2)

Save

Explore detailed ICD-10 coding guidelines for thiamine deficiency, including Wernicke's Encephalopathy and Beriberi. Learn about documentation requirements and common coding pitfalls.

Also known as:

Vitamin B1 DeficiencyBeriberiWernicke's Encephalopathy

Related ICD-10 Code Ranges

Complete code families applicable to Thiamine Deficiency

E00-E89Primary Range

Endocrine, nutritional and metabolic diseases

→

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
E51	Thiamine deficiency	Use when documentation specifies thiamine deficiency without further detail.	Clinical symptoms of thiamine deficiency Laboratory confirmation of low thiamine levels
E51.1	Beriberi	Use when documentation specifies symptoms of beriberi.	Symptoms such as peripheral edema cardiomegaly or neurologic symptoms Laboratory confirmation of low thiamine levels
E51.2	Wernicke's Encephalopathy	Use when documentation specifies symptoms of Wernicke's Encephalopathy.	Presence of the clinical triad: oculomotor abnormalities ataxia confusion MRI findings or laboratory confirmation of low thiamine levels
E51.8	Other manifestations of thiamine deficiency	Use when documentation specifies non-classic symptoms of thiamine deficiency.	Symptoms such as peripheral neuropathy or aphonia Laboratory confirmation of low thiamine levels
E51.9	Thiamine deficiency, unspecified	Use only if no specific manifestation is documented.	General symptoms of thiamine deficiency without specific manifestation

Primary ICD-10-CM Codes

Differential Codes

Alternative codes to consider when ruling out similar conditions

Other specified vitamin B group deficienciesE53.8

Documentation & Coding Risks

Avoid these common issues when documenting Thiamine Deficiency.

Documenting suspected deficiency without confirmation.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Potential for claim denials.

Mitigation

Confirm deficiency with lab tests before coding.

Coding prophylactic thiamine supplementation as deficiency.

Impact

Reimbursement: May lead to claim denials., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate representation of patient health data.

Mitigation

Do not code as deficiency unless confirmed by lab results.

Using E51.9 when specific manifestations are present.

Impact

Reimbursement: Potential for lower reimbursement rates., Compliance: Non-compliance with specificity requirements., Data Quality: Loss of detailed clinical data.

Mitigation

Use specific codes like E51.1 or E51.2 based on documented symptoms.

Prophylactic supplementation coding

Impact

Coding prophylactic thiamine as deficiency.

Mitigation

Ensure lab confirmation of deficiency before coding.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with E51.

Wernicke's Encephalopathy→

Primary Code

E51

Thiamine deficiency

Quick Navigation

ICD-10 codes8

Coding risks4

FAQs2

ICD-10 Coding for Thiamine Deficiency(E51, E51.1, E51.2)

Documentation & Coding Risks

Frequently Asked Questions

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

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

Related condition guides