G51.32
BillableClonic hemifacial spasm, left
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Involuntary muscle twitching and spasms affecting the left side of the face, causing repetitive contractions of facial muscles.
Coding Tips
- •Ensure laterality is documented in the medical record before assigning this code; do not assume left-sided involvement
- •Distinguish between hemifacial spasm and other facial nerve disorders; hemifacial spasm involves clonic (rhythmic) contractions
Code Hierarchy
└G51Facial nerve disorders└G51.3Clonic hemifacial spasm└G51.32Clonic hemifacial spasm, left
└G51.32Clonic hemifacial spasm, left