NPI Atlas

G61.1 – Serum neuropathy

ICD-10-CM 2027 diagnosis code · Polyneuropathies and other disorders of the peripheral nervous system

Billable code

ICD-10-CM code G61.1

Code: G61.1 (claims format: G611)
Description: Serum neuropathy
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: G60-G65 Polyneuropathies and other disorders of the peripheral nervous system
Parent codes: G61

Notes for G61.1

Use additional code:

code for adverse effect, if applicable, to identify serum (T50.-)

Notes inherited from parent codes

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

Block G60-G65

Excludes1 (not coded here):

neuralgia NOS (M79.2)
neuritis NOS (M79.2)
peripheral neuritis in pregnancy (O26.82-)
radiculitis NOS (M54.10)

Index terms for G61.1

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

Related codes in G61

G61.0 – Guillain-Barre syndromeBillable
G61.8 – Other inflammatory polyneuropathiesHeader
G61.9 – Inflammatory polyneuropathy, unspecifiedBillable

Frequently asked questions

What is ICD-10 code G61.1?

G61.1 is the ICD-10-CM code for serum neuropathy, in the block G60-G65 (Polyneuropathies and other disorders of the peripheral nervous system).

Is G61.1 a billable code?

Yes. G61.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does G61.1 belong to?

It belongs to category G61 – Inflammatory polyneuropathy.

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.