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Home/Diagnosis/ICD-10 Coding for Facial Paralysis

ICD-10 Coding for Facial Paralysis

G51.0
G51.8

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

Also Known as:
Bell's Palsy
Idiopathic Facial Paralysis
Facial Nerve Palsy
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Key Information: ICD-10 Coding for Facial Paralysis

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

Use ICD-10 code G51.0 for bell's palsy, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Bell's palsy

Billable Code
G51.0
Billable

Diagnostic Criteria

clinical:
  • • Sudden onset of unilateral facial weakness with no identifiable cause
documentation:
  • • Exclusion of other causes such as Lyme disease or neoplasm

Applicable To

  • • Idiopathic facial paralysis

Important Notes

  • • Ensure documentation specifies the sudden onset and unilateral nature of the paralysis.

Other disorders of facial nerve

Billable Code
G51.8
Billable

Diagnostic Criteria

documentation:
  • • Documentation of specific cause such as trauma or surgery

Applicable To

  • • Non-Bell’s etiologies such as post-traumatic or iatrogenic facial paralysis

Important Notes

  • • Document the specific cause of the facial nerve disorder.
Ancillary Codes

Additional codes that may be used with this diagnosis

R29.810

Facial weakness

Use when facial weakness is present but etiology remains unclear after workup.

H02.2-

Lagophthalmos

Use for incomplete eyelid closure associated with facial paralysis.

Frequently Asked Questions

What is the ICD-10 code for Bell's palsy?

The ICD-10 code for Bell's palsy is G51.0, used for idiopathic facial paralysis with sudden onset and exclusion of secondary causes.

How do you code facial paralysis due to Lyme disease?

Facial paralysis due to Lyme disease is coded as A69.2, especially when associated with erythema migrans or tick exposure.

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