{"code":"G63","type":"category","title":"Polyneuropathy in diseases classified elsewhere","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":["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)"],"excludes1":["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)","neuralgia NOS (M79.2)","neuritis NOS (M79.2)","peripheral neuritis in pregnancy (O26.82-)","radiculitis NOS (M54.10)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Polyneuropathy in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (G63). Excludes1 (not coded here): 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); neuralgia NOS (M79.2); neuritis NOS (M79.","officialDefinition":"Polyneuropathy in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (G63). Excludes1 (not coded here): 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); neuralgia NOS (M79.2); neuritis NOS (M79.2); peripheral neuritis in pregnancy (O26.82-); radiculitis NOS (M54.10). 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).","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}