ICD-10-CM › G63 G63 Polyneuropathy in diseases classified elsewhereBillable ICD-10-CM code, FY2026.
Excludes1 (never code together) polyneuropathy (in): diabetes mellitus (E08-E13 with .42) diphtheria (A36.83) infectious mononucleosis complicated by polyneuropathy (B27.0-B27.9 with fifth character 1) Lyme disease (A69.22) mumps (B26.84) postherpetic (B02.23) rheumatoid arthritis (M05.5-) scleroderma (M34.83) systemic lupus erythematosus (M32.19) Code first underlying disease, such as: amyloidosis (E85.-) endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34) metabolic diseases (E70-E88) neoplasm (C00-D49) nutritional deficiency (E40-E64) Applies from G63 Polyneuropathy in diseases classified elsewhere Excludes1 (never code together) polyneuropathy (in): diabetes mellitus (E08-E13 with .42) diphtheria (A36.83) infectious mononucleosis complicated by polyneuropathy (B27.0-B27.9 with fifth character 1) Lyme disease (A69.22) mumps (B26.84) postherpetic (B02.23) rheumatoid arthritis (M05.5-) scleroderma (M34.83) systemic lupus erythematosus (M32.19) Code first underlying disease, such as: amyloidosis (E85.-) endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34) metabolic diseases (E70-E88) neoplasm (C00-D49) nutritional deficiency (E40-E64) Risk adjustment (HCC) CMS-HCC V22: HCC 75 — Myasthenia Gravis/Myoneural Disorders, Inflammatory and Toxic Neuropathy RxHCC V08: HCC 158 — Inflammatory and Toxic Neuropathy ESRD V24: HCC 75 MS-DRG index Defines the logic of DRG(s) 073-074 in MDC 01.
Approximate ICD-9-CM (GEMs) 357.4 Polyneuropathy in other diseases classified elsewhere (approximate)Medicare Code Edits (MCE v43.1 (April 2026)) Diagnosis Index entries for G63 Neuritis (rheumatoid) › amyloid, any site Neuritis (rheumatoid) › gouty Neuropathy, neuropathic › uremic Neuropathy, neuropathic › vitamin B12 Neuropathy, neuropathic › vitamin B12 › with anemia (pernicious) Neuropathy, neuropathic › vitamin B12 › with anemia (pernicious) › due to dietary deficiency Pellagra (alcoholic) › with › polyneuropathy Polyneuritis, polyneuritic › due to lack of vitamin NEC Polyneuritis, polyneuritic › nutritional Polyneuropathy (peripheral) › amyloid (Portuguese) Polyneuropathy (peripheral) › amyloid (Portuguese) › transthyretin-related (ATTR) familial Polyneuropathy (peripheral) › in (due to) › amyloidosis, familial (Portuguese) Polyneuropathy (peripheral) › in (due to) › avitaminosis NEC Polyneuropathy (peripheral) › in (due to) › collagen vascular disease NEC Polyneuropathy (peripheral) › in (due to) › deficiency (of) › B (-complex) vitamins Polyneuropathy (peripheral) › in (due to) › deficiency (of) › vitamin B6 Polyneuropathy (peripheral) › in (due to) › endocrine disease NEC Polyneuropathy (peripheral) › in (due to) › hypoglycemia Polyneuropathy (peripheral) › in (due to) › infectious › disease NEC Polyneuropathy (peripheral) › in (due to) › lack of vitamin NEC Polyneuropathy (peripheral) › in (due to) › leprosy Polyneuropathy (peripheral) › in (due to) › metabolic disease NEC Polyneuropathy (peripheral) › in (due to) › microscopic polyangiitis Polyneuropathy (peripheral) › in (due to) › neoplastic disease Polyneuropathy (peripheral) › in (due to) › nutritional deficiency NEC Polyneuropathy (peripheral) › in (due to) › parasitic disease NEC Polyneuropathy (peripheral) › in (due to) › pellagra Polyneuropathy (peripheral) › in (due to) › porphyria Polyneuropathy (peripheral) › in (due to) › systemic › connective tissue disorder Polyneuropathy (peripheral) › in (due to) › uremia Polyneuropathy (peripheral) › in (due to) › vitamin B12 deficiency Polyneuropathy (peripheral) › in (due to) › vitamin B12 deficiency › with anemia (pernicious) Polyneuropathy (peripheral) › in (due to) › vitamin B12 deficiency › with anemia (pernicious) › due to dietary deficiency Polyneuropathy (peripheral) › nutritional NEC Uremia, uremic › with › polyneuropathy Nearby codes G63 Polyneuropathy in diseases classified elsewhere (this code)