G58.8 – Other specified mononeuropathies

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

Billable code

ICD-10-CM code G58.8

Code: G58.8 (claims format: G588)
Description: Other specified mononeuropathies
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: G58

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 G58.8

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

Related codes in G58

G58.0 – Intercostal neuropathyBillable
G58.7 – Mononeuritis multiplexBillable
G58.9 – Mononeuropathy, unspecifiedBillable

Frequently asked questions

What is ICD-10 code G58.8?

G58.8 is the ICD-10-CM code for other specified mononeuropathies, in the block G50-G59 (Nerve, nerve root and plexus disorders).

Is G58.8 a billable code?

Yes. G58.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does G58.8 belong to?

It belongs to category G58 – Other mononeuropathies.

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.