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    OpenPayerBilling CodesPolyneuropathies and other disorders of the peripheral nervous systemICD-10-CM g62-other-and-unspecified-polyneuropathies
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    ICD-10-CM Code For Other And Unspecified Polyneuropathies: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group G62 includes various other and unspecified polyneuropathies such as toxic, drug-induced, and idiopathic polyneuropathies that affect multiple peripheral nerves and produce sensory, motor, or autonomic symptoms. These ICD-10-CM diagnosis codes are used to document clinical scenarios including symptomatic peripheral nerve dysfunction, progression or chronicity of neuropathy, and attribution to specific causes like medications or systemic disease. Accurate coding within the ICD-10-CM G62 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM G62: Other And Unspecified Polyneuropathies Overview

    The ICD-10-CM G62 group covers other and unspecified polyneuropathies, which are disorders affecting multiple peripheral nerves often leading to sensory and motor deficits. These diagnoses target the peripheral nervous system and can represent metabolic, toxic, inflammatory, or idiopathic causes. Accurate coding matters for reimbursement because it supports precise clinical documentation of neurologic involvement and justifies medical necessity for treatments and services.

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    When to Use

    Use a code from this group when clinical documentation indicates a diagnosis of polyneuropathy that is either explicitly classified as other or unspecified or when a specific etiology is identified within subcodes such as toxic or drug-induced causes. Select the most specific code available based on documented cause, chronicity, and manifestations to reflect the clinical picture accurately.

    ICD-10-CM Codes

    7 rows

    ICD-10-CM CodeDescription
    G62.0Drug-induced polyneuropathy
    G62.1Alcoholic polyneuropathy
    G62.2Polyneuropathy due to other toxic agents
    G62.81Critical illness polyneuropathy
    G62.82Radiation-induced polyneuropathy
    G62.89Other specified polyneuropathies
    G62.9Polyneuropathy, unspecified

    DRG Codes

    2 rows

    DRG CodeDescription
    073Cranial and Peripheral Nerve Disorders with MCC
    074Cranial and Peripheral Nerve Disorders without MCC

    Typical Clinical Scenarios

    • An older adult with a month-long history of progressive numbness, burning pain, and weakness in a stocking-glove distribution after starting chemotherapy for lymphoma presents to neurology clinic for evaluation. Examination shows distal sensory loss and decreased ankle reflexes; nerve conduction studies demonstrate a length-dependent axonal sensorimotor polyneuropathy attributed to the chemotherapeutic agents, so a specific polyneuropathy diagnosis from this group is assigned. Typical codes: G62.0, G62.2
    • A middle-aged patient with long-standing poorly controlled diabetes develops gradually worsening symmetric distal paresthesias and gait instability over several years and is managed in primary care for chronic symptoms and progressive neuropathic deficits; no alternative systemic cause is identified. Because this represents a chronic metabolic-related peripheral neuropathy without another specified etiology, a code from this group is used to document the chronic polyneuropathy as a comorbidity affecting management. Typical codes: G62.9, G62.2
    • A hospitalized patient following an episode of severe sepsis is noted to have new flaccid weakness of the limbs and diminished reflexes after prolonged ICU stay; electromyography suggests an acute inflammatory or critical-illness–related polyneuropathy complicating the hospitalization. A code from this group is assigned to capture the acute neuromuscular complication impacting recovery and disposition. Typical codes: G62.81, G62.89

    Related Codes

    G60-HEREDITARY-AND-IDIOPATHIC-NEUROPATHY

    ICD-10-CM Code For Hereditary And Idiopathic Neuropathy: Group Overview

    G61-INFLAMMATORY-POLYNEUROPATHY

    ICD-10-CM Code For Inflammatory Polyneuropathy: Group Overview

    G63-POLYNEUROPATHY-IN-DISEASES-CLASSIFIED-ELSEWHERE

    ICD-10-CM Code For Polyneuropathy In Diseases Classified Elsewhere: Group Overview

    G64-OTHER-PERIPHERAL-NERVE-DISORDERS

    ICD-10-CM Code For Other Disorders Of Peripheral Nervous System: Group Overview

    G65-SEQUELAE-OF-POLYNEUROPATHIES

    ICD-10-CM Code For Sequelae Of Inflammatory And Toxic Polyneuropathies: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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