G51.8 – Other disorders of facial nerve
ICD-10-CM 2027 diagnosis code · Nerve, nerve root and plexus disorders
ICD-10-CM code
G51.8
- Code
G51.8(claims format:G518)- Description
- Other disorders of facial nerve
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G50-G59 Nerve, nerve root and plexus disorders
- Parent codes
- G51
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
G51 – Facial nerve disorders
Includes:
- disorders of 7th cranial nerve
Block G50-G59
Index terms for G51.8
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Neuritis, facial
- Paraspasmus facialis
- Lesion, chorda tympani
- Parry-Romberg syndrome
- Romberg's disease or syndrome
- Compression, cranial nerve, seventh
- Disorder, nerve, cranial, seventh NEC
- Atrophy, atrophic, hemifacial, Romberg
- Disorder, nerve, facial, specified NEC
- Hemiatrophy, face, facial, progressive
- Neuritis, cranial nerve, seventh or facial
Related codes in G51
- G51.0 – Bell's palsyBillable
- G51.1 – Geniculate ganglionitisBillable
- G51.2 – Melkersson's syndromeBillable
- G51.3 – Clonic hemifacial spasmHeader
- G51.4 – Facial myokymiaBillable
- G51.9 – Disorder of facial nerve, unspecifiedBillable
Frequently asked questions
What is ICD-10 code G51.8?
G51.8 is the ICD-10-CM code for other disorders of facial nerve, in the block G50-G59 (Nerve, nerve root and plexus disorders).
Is G51.8 a billable code?
Yes. G51.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G51.8 belong to?
It belongs to category G51 – Facial nerve disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.