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    v1.0.28
    OpenPayerBilling CodesDisorders of musclesICD-10-CM m62-other-disorders-of-muscle
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    ICD-10-CM Code For Other Disorders Of Muscle: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group M62 includes a variety of other disorders of muscle such as muscle weakness, atrophy, spasm, fatigue, and other specified or unspecified muscle abnormalities impacting skeletal muscle function. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving localized or generalized muscle dysfunction, capturing severity, laterality when applicable, and associated clinical complexity. Accurate coding within the ICD-10-CM M62 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM M62: Other Disorders Of Muscle Overview

    The ICD-10-CM M62 diagnosis group encompasses a range of noninflammatory and other specified muscle disorders affecting skeletal muscle function. These codes target conditions such as muscle weakness, atrophy, spasm, fatigue, and other localized or generalized muscle abnormalities. Accurate coding is important for clinical records and supports appropriate reimbursement and claim adjudication by documenting the specific muscle disorder treated.

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    When to Use

    Use codes from this group when the clinical record documents a noninflammatory or other specified muscle disorder that is the focus of care or affects treatment decisions. Select the most specific code available for the documented condition, including laterality or episode details when provided in the record.

    ICD-10-CM Codes

    131 rows

    ICD-10-CM CodeDescription
    M62.00Separation of muscle (nontraumatic), unspecified site
    M62.011Separation of muscle (nontraumatic), right shoulder
    M62.012Separation of muscle (nontraumatic), left shoulder
    M62.019Separation of muscle (nontraumatic), unspecified shoulder
    M62.021Separation of muscle (nontraumatic), right upper arm
    M62.022Separation of muscle (nontraumatic), left upper arm
    M62.029Separation of muscle (nontraumatic), unspecified upper arm
    M62.031Separation of muscle (nontraumatic), right forearm
    M62.032Separation of muscle (nontraumatic), left forearm
    M62.039Separation of muscle (nontraumatic), unspecified forearm
    M62.041Separation of muscle (nontraumatic), right hand
    M62.042Separation of muscle (nontraumatic), left hand
    M62.049Separation of muscle (nontraumatic), unspecified hand
    M62.051Separation of muscle (nontraumatic), right thigh
    M62.052Separation of muscle (nontraumatic), left thigh
    M62.059Separation of muscle (nontraumatic), unspecified thigh
    M62.061Separation of muscle (nontraumatic), right lower leg
    M62.062Separation of muscle (nontraumatic), left lower leg
    M62.069Separation of muscle (nontraumatic), unspecified lower leg
    M62.071Separation of muscle (nontraumatic), right ankle and foot

    Showing 1–20 of 131

    DRG Codes

    6 rows

    DRG CodeDescription
    551Medical Back Problems with MCC
    552Medical Back Problems without MCC
    555Signs and Symptoms of Musculoskeletal System and Connective Tissue with MCC
    556Signs and Symptoms of Musculoskeletal System and Connective Tissue without MCC
    557Tendonitis, Myositis and Bursitis with MCC
    558Tendonitis, Myositis and Bursitis without MCC

    Typical Clinical Scenarios

    • A middle-aged adult presents to the emergency department with sudden onset severe pain and swelling in the calf after a long run; exam shows a palpable focal muscle defect and ecchymosis consistent with an acute muscle tear. Imaging confirms a partial rupture of the gastrocnemius muscle and the clinician documents an acute muscle strain/tear as the primary diagnosis, prompting assignment of an acute muscle disorder code from this group. Typical codes: M62.81, M62.3.
    • An elderly patient in a primary care clinic reports progressive weakness and cramping in proximal limb muscles over months, interfering with daily activities; the history and exam suggest chronic myopathy possibly related to medication use or inflammatory myopathy. After outpatient evaluation and muscle enzyme testing, a chronic or unspecified disorder of muscle is recorded, and a code representing chronic muscle disorder or myopathy from this group is used for longitudinal management and referrals. Typical codes: M62.8, M62.9.
    • A hospitalized patient with long-standing diabetes develops localized focal muscle wasting and numbness in the forearm following an acute compressive neuropathy and immobility, noted as a complication of the primary condition and prolonging rehabilitation needs. The treating team documents muscle atrophy and weakness as a secondary diagnosis to guide therapy and discharge planning, so a code for muscle atrophy or localized muscle disorder from this group is assigned. Typical codes: M62.50, M62.41.

    Related Codes

    M60-MYOSITIS

    ICD-10-CM Code For Myositis: Group Overview

    M61-CALCIFICATION-AND-OSSIFICATION-OF-MUSCLE

    ICD-10-CM Code For Calcification And Ossification Of Muscle: Group Overview

    M63-DISORDERS-OF-MUSCLE

    ICD-10-CM Code For Disorders Of 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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