ICD-10 Code for Polyneuropathy

Also indexed as (peripheral)

The ICD-10-CM code for polyneuropathy is G62.9 — Polyneuropathy, unspecified. This is the code the Alphabetic Index gives for polyneuropathy with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

BillableUnspecified

G62.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.

Which polyneuropathy code should you use?

The Alphabetic Index lists 49 codes under Polyneuropathy. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

alcoholic	G62.1	Alcoholic polyneuropathy
amyloid	E85.1	Neuropathic heredofamilial amyloidosis
arsenical	G62.2	Polyneuropathy due to other toxic agents
critical illness	G62.81	Critical illness polyneuropathy
demyelinating, chronic inflammatory	G61.81	Chronic inflammatory demyelinating polyneuritis
drug-induced	G62.0	Drug-induced polyneuropathy
hereditary	G60.9	Hereditary and idiopathic neuropathy, unspecified
idiopathic	G60.9	Hereditary and idiopathic neuropathy, unspecified
inflammatory	G61.9	Inflammatory polyneuropathy, unspecified
lead	G62.2	Polyneuropathy due to other toxic agents
nutritional NEC	E63.9	Nutritional deficiency, unspecified
postherpetic	B02.23	Postherpetic polyneuropathy
progressive	G60.3	Idiopathic progressive neuropathy
radiation-induced	G62.82	Radiation-induced polyneuropathy
sensory	G60.8	Other hereditary and idiopathic neuropathies
specified NEC	G62.89	Other specified polyneuropathies
syphilitic	A52.15	Late syphilitic neuropathy

Polyneuropathy amyloid

transthyretin-related familial

E85.1

Neuropathic heredofamilial amyloidosis

Polyneuropathy hereditary

specified NEC

G60.8

Other hereditary and idiopathic neuropathies

Polyneuropathy idiopathic

progressive

G60.3

Idiopathic progressive neuropathy

Polyneuropathy in

alcohol	G62.1	Alcoholic polyneuropathy
amyloidosis, familial	E85.1	Neuropathic heredofamilial amyloidosis
antitetanus serum	G61.1	Serum neuropathy
arsenic	G62.2	Polyneuropathy due to other toxic agents
avitaminosis NEC	E56.9	Vitamin deficiency, unspecified
beriberi	E51.11	Dry beriberi
collagen vascular disease NEC	M35.9	Systemic involvement of connective tissue, unspecified
diphtheria	A36.83	Diphtheritic polyneuritis
drug or medicament	G62.0	Drug-induced polyneuropathy
endocrine disease NEC	E34.9	Endocrine disorder, unspecified
herpes zoster	B02.23	Postherpetic polyneuropathy
hypoglycemia	E16.2	Hypoglycemia, unspecified
lack of vitamin NEC	E56.9	Vitamin deficiency, unspecified
lead	G62.2	Polyneuropathy due to other toxic agents
leprosy	A30.9	Leprosy, unspecified
Lyme disease	A69.22	Other neurologic disorders in Lyme disease
metabolic disease NEC	E88.9	Metabolic disorder, unspecified
microscopic polyangiitis	M31.7	Microscopic polyangiitis
mumps	B26.84	Mumps polyneuropathy
neoplastic disease	D49.9	Neoplasm of unspecified behavior of unspecified site
nutritional deficiency NEC	E63.9	Nutritional deficiency, unspecified
organophosphate compounds	G62.2	Polyneuropathy due to other toxic agents
parasitic disease NEC	B89	Unspecified parasitic disease
pellagra	E52	Niacin deficiency [pellagra]
polyarteritis nodosa	M30.0	Polyarteritis nodosa
porphyria	E80.20	Unspecified porphyria
radiation	G62.82	Radiation-induced polyneuropathy
sarcoidosis	D86.89	Sarcoidosis of other sites
serum	G61.1	Serum neuropathy
syphilis	A52.15	Late syphilitic neuropathy
toxic agent NEC	G62.2	Polyneuropathy due to other toxic agents
transthyretin-related familial amyloid	E85.1	Neuropathic heredofamilial amyloidosis
triorthocresyl phosphate	G62.2	Polyneuropathy due to other toxic agents
tuberculosis	A17.89	Other tuberculosis of nervous system
uremia	N18.9	Chronic kidney disease, unspecified
vitamin B12 deficiency	E53.8	Deficiency of other specified B group vitamins
zoster	B02.23	Postherpetic polyneuropathy
alcohol › sequelae	G65.2	Sequelae of toxic polyneuropathy
arsenic › sequelae	G65.2	Sequelae of toxic polyneuropathy
deficiency › B vitamins	E53.9	Vitamin B deficiency, unspecified
deficiency › vitamin B6	E53.1	Pyridoxine deficiency
infectious › disease NEC	B99Not billable	Other and unspecified infectious diseases
infectious › mononucleosis	B27.91	Infectious mononucleosis, unspecified with polyneuropathy
lead › sequelae	G65.2	Sequelae of toxic polyneuropathy
organophosphate compounds › sequelae	G65.2	Sequelae of toxic polyneuropathy
syphilis › congenital	A50.43	Late congenital syphilitic polyneuropathy
systemic › connective tissue disorder	M35.9	Systemic involvement of connective tissue, unspecified
systemic › lupus erythematosus	M32.19	Other organ or system involvement in systemic lupus erythematosus
toxic agent NEC › sequelae	G65.2	Sequelae of toxic polyneuropathy
triorthocresyl phosphate › sequelae	G65.2	Sequelae of toxic polyneuropathy
vitamin B12 deficiency › with anemia	D51.0	Vitamin B12 deficiency anemia due to intrinsic factor deficiency
vitamin B12 deficiency › with anemia › due to dietary deficiency	D51.3	Other dietary vitamin B12 deficiency anemia

Polyneuropathy inflammatory

chronic demyelinating	G61.81	Chronic inflammatory demyelinating polyneuritis
sequelae	G65.1	Sequelae of other inflammatory polyneuropathy
specified NEC	G61.89	Other inflammatory polyneuropathies

Polyneuropathy lead

sequelae

G65.2

Sequelae of toxic polyneuropathy

Polyneuropathy syphilitic

congenital

A50.43

Late congenital syphilitic polyneuropathy

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources