G53 – Cranial nerve disorders in diseases classified elsewhere

ICD-10-CM 2027 diagnosis code · Nerve, nerve root and plexus disorders

Billable code

ICD-10-CM code G53

Code: G53 (claims format: G53)
Description: Cranial nerve disorders in diseases classified elsewhere
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

Notes for G53

Excludes1 (not coded here):

multiple cranial nerve palsy in sarcoidosis (D86.82)
multiple cranial nerve palsy in syphilis (A52.15)
postherpetic geniculate ganglionitis (B02.21)
postherpetic trigeminal neuralgia (B02.22)

Code first:

underlying disease, such as:
neoplasm (C00-D49)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block G50-G59

Excludes1 (not coded here):

current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
neuralgia NOS (M79.2)
neuritis NOS (M79.2)
peripheral neuritis in pregnancy (O26.82-)
radiculitis NOS (M54.1-)

Index terms for G53

Entries in the ICD-10-CM alphabetic index that lead to this code:

Frequently asked questions

What is ICD-10 code G53?

G53 is the ICD-10-CM code for cranial nerve disorders in diseases classified elsewhere, in the block G50-G59 (Nerve, nerve root and plexus disorders).

Is G53 a billable code?

Yes. G53 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

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.