ICD Code G51.0

ICD code G51.0 is Bell's palsy, which refers to sudden, temporary weakness or paralysis of the muscles on one side of the face due to dysfunction of the facial nerve.

1. Sudden onset of unilateral facial weakness or paralysis

2. Absence of other neurological deficits

3. Inability to raise the eyebrow, close the eye, or smile on the affected side

4. Drooping of the mouth on the affected side

5. Loss of nasolabial fold on the affected side

6. Possible altered taste sensation on the anterior two-thirds of the tongue

7. Possible hyperacusis (increased sensitivity to sound) on the affected side

8. No identifiable cause such as trauma, tumor, or stroke

9. Onset of symptoms typically within 72 hours

Relevant CPT codes that may be used to treat ICD code G51.0 include:

- 99201–99215 (Evaluation and Management services)

- 92507 (Speech therapy, individual)

- 64612 (Chemodenervation of muscle(s); muscle(s) innervated by facial nerve, unilateral)

- 95816 (Electroencephalogram, including recording awake and drowsy)

- 95867 (Needle electromyography; cranial nerve supplied muscle(s), unilateral)

- 97032 (Application of a modality to one or more areas; electrical stimulation)

- 97110 (Therapeutic exercises)

- 97112 (Neuromuscular reeducation)

- 90832–90838 (Psychotherapy, if indicated for adjustment or coping)

CPT code selection should be based on the specific services provided for ICD code G51.0.

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