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    OpenPayerBilling CodesDiseases of myoneural junction and muscleICD-10-CM g72-other-and-unspecified-myopathies
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    ICD-10-CM Code For Other And Unspecified Myopathies: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group G72 includes other and unspecified myopathies such as toxic myopathies, endocrine myopathies, and unspecified myopathies that affect skeletal muscle strength and function. These ICD-10-CM diagnosis codes are used to document clinical scenarios including muscle weakness, myalgias, and muscle pathology where etiology may be toxic, metabolic, endocrine, or not otherwise specified, capturing disease severity, organ involvement, or clinical complexity relevant to this group. Accurate coding within the ICD-10-CM G72 group supports complete clinical documentation, appropriate reimbursement, and proper claim adjudication.

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    ICD-10-CM G72: Other And Unspecified Myopathies Overview

    The ICD-10-CM G72 group captures other and unspecified myopathies, a set of disorders primarily affecting skeletal muscle function and strength. These diagnoses represent conditions causing muscle weakness, pain, or structural muscle disease not classified elsewhere. Accurate coding matters for documenting clinical severity and justifying medical necessity for services, which impacts reimbursement and care coordination.

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    When to Use

    Assign a code from this group when the clinical documentation indicates a myopathy that is toxic, endocrine-related, metabolic, or otherwise specified as other or unspecified and not classified in a different myopathy category. Use these codes to reflect the documented etiology when provided, or use the unspecified code only when no more specific diagnosis is available in the record.

    ICD-10-CM Codes

    9 rows

    ICD-10-CM CodeDescription
    G72.0Drug-induced myopathy
    G72.1Alcoholic myopathy
    G72.2Myopathy due to other toxic agents
    G72.3Periodic paralysis
    G72.41Inclusion body myositis [IBM]
    G72.49Other inflammatory and immune myopathies, not elsewhere classified
    G72.81Critical illness myopathy
    G72.89Other specified myopathies
    G72.9Myopathy, unspecified

    DRG Codes

    6 rows

    DRG CodeDescription
    091Other Disorders of Nervous System with MCC
    092Other Disorders of Nervous System with CC
    093Other Disorders of Nervous System without CC/MCC
    545Connective Tissue Disorders with MCC
    546Connective Tissue Disorders with CC
    547Connective Tissue Disorders without CC/MCC

    Typical Clinical Scenarios

    • A middle-aged patient presents to the emergency department with rapidly progressive proximal muscle weakness over days, difficulty breathing and swallowing, and markedly elevated creatine kinase after a suspected statin exposure; the clinician evaluates for acute toxic or inflammatory myopathy and initiates urgent workup and supportive care. A diagnosis from this group is assigned to capture an acute myopathic process likely related to drug-induced or inflammatory etiology. Typical codes: G72.0, G72.81
    • An adult with a history of long-standing, slowly progressive muscle weakness, frequent falls, and documented muscle biopsy showing an inherited or metabolic myopathy is seen in neuromuscular clinic for ongoing management and functional assessment. A chronic myopathic disorder from this group is used to record the underlying primary muscle disease driving disability and longitudinal care. Typical codes: G72.2, G72.9
    • A hospitalized patient with advanced malignancy develops generalized weakness and respirator dependence attributed to paraneoplastic or steroid-induced myopathy complicating cancer therapy; the team documents the myopathy as a comorbidity affecting prognosis and rehabilitation planning. A code from this group is assigned to indicate the myopathy as a complication influencing inpatient management. Typical codes: G72.1, G72.49

    Related Codes

    G70-MYASTHENIA-GRAVIS-AND-MYONEURAL-DISORDERS

    ICD-10-CM Code For Myasthenia Gravis And Other Myoneural Disorders: Group Overview

    G71-PRIMARY-DISORDERS-OF-MUSCLES

    ICD-10-CM Code For Primary Disorders Of Muscles: Group Overview

    G73-DISORDERS-OF-MYONEURAL-JUNCTION-AND-MUSCLE

    ICD-10-CM Code For Disorders Of Myoneural Junction And Muscle In Diseases Classified Elsewhere: 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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