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ICD-10-CM 2027

ICD-10 code for spasm bell's

G51.3

Clonic hemifacial spasm

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Bell's › spasm”. Page updated September 29, 2026.

About coding spasm bell's

The ICD-10-CM code for spasm bell's is G51.3 (Clonic hemifacial spasm).

Within G51 (facial nerve disorders), G51.3 is specifically for Clonic hemifacial spasm. Related codes cover Bell's palsy (G51.0), geniculate ganglionitis (G51.1), Melkersson's syndrome (G51.2), facial myokymia (G51.4), other disorders of facial nerve (G51.8) and disorder of facial nerve, unspecified (G51.9).

To report this condition, pick the subcode that matches the documentation: G51.31 (right), G51.32 (left), G51.33 (bilateral) and G51.39 (unspecified).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2019 (expanded into subcodes).

Common questions about spasm bell's ICD-10 codes

What is the ICD-10 code for spasm bell's?

G51.3 — Clonic hemifacial spasm (a header code; report a more specific subcode).

Is G51.3 billable?

No. G51.3 is a header code. Report one of its more specific subcodes instead.