G51.31
✓ Billable
Clonic hemifacial spasm, right
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G51.31
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Nervous System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code G51.31?
ICD-10-CM code G51.31 represents Clonic hemifacial spasm, right. It is a billable diagnosis code in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G51.31 billable?
Yes. G51.31 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is G51.31 in?
G51.31 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
Related codes in the G51 category
G51
Facial nerve disorders
Non-billable
G51.0
Bell's palsy
Billable
G51.1
Geniculate ganglionitis
Billable
G51.2
Melkersson's syndrome
Billable
G51.3
Clonic hemifacial spasm
Non-billable
G51.4
Facial myokymia
Billable
G51.8
Other disorders of facial nerve
Billable
G51.9
Disorder of facial nerve, unspecified
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →