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Home/Diagnosis/ICD-10 Coding for Facial Twitching

ICD-10 Coding for Facial Twitching

G51.3
G51.31
G51.32

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

Also Known as:
Hemifacial Spasm
Facial Myokymia
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Key Information: ICD-10 Coding for Facial Twitching

Essential facts and insights about ICD-10 Coding for Facial Twitching

Use ICD-10 code G51.3 for clonic hemifacial spasm, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Clonic hemifacial spasm

Non-Billable
G51.3
Non-Billable

Diagnostic Criteria

clinical:
  • • Presence of unilateral facial twitching with spread pattern
coding:
  • • Documented MRI evidence of neurovascular compression

Applicable To

  • • Unilateral facial muscle spasms

Important Notes

  • • Ensure laterality is documented to avoid unspecified coding.

Right clonic hemifacial spasm

Billable Code
G51.31
Billable

Applicable To

  • • Right-sided facial muscle spasms

Important Notes

  • • Ensure right laterality is clearly documented.

Left clonic hemifacial spasm

Billable Code
G51.32
Billable

Applicable To

  • • Left-sided facial muscle spasms

Important Notes

  • • Ensure left laterality is clearly documented.

Facial myokymia

Billable Code
G51.4
Billable

Applicable To

  • • Continuous undulating facial muscle movements

Important Notes

  • • Ensure EMG findings are documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

R25.8

Other abnormal involuntary movements

Use when twitching is undifferentiated and specific conditions are not confirmed.

Frequently Asked Questions

What is the ICD-10 code for facial twitching?

The ICD-10 code for facial twitching, specifically clonic hemifacial spasm, is G51.3. For right-sided hemifacial spasm, use G51.31, and for left-sided, use G51.32.

How do you document hemifacial spasm?

Document hemifacial spasm by noting the laterality, spread pattern, and any diagnostic imaging results confirming neurovascular compression.

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