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G51.31

Billable

Clonic hemifacial spasm, right

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Involuntary, repetitive muscle contractions causing spasms on the right side of the face, typically around the eye and mouth.

Coding Tips

  • •Laterality is built into this code (right side); use G51.32 for left side and G51.33 for bilateral
  • •Document the frequency and severity of spasms and any triggering factors

Code Hierarchy

└G51Facial nerve disorders└G51.3Clonic hemifacial spasm└G51.31Clonic hemifacial spasm, right
└G51.31Clonic hemifacial spasm, right

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