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    OpenPayerBilling CodesSpondylopathiesICD-10-CM m49-spondylopathies-in-diseases-classified-elsewhere
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    ICD-10-CM Code For Spondylopathies In Diseases Classified Elsewhere: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group M49 includes spondylopathies secondary to other diseases, such as inflammatory, infectious, or degenerative spinal involvement associated with systemic conditions. These ICD-10-CM diagnosis codes are used to document spinal disease manifestations related to another primary disorder, capturing anatomic location, infection or inflammatory status, and relationship to the underlying condition. Accurate coding within the ICD-10-CM M49 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM M49: Spondylopathies In Diseases Classified Elsewhere Overview

    The ICD-10-CM M49 group identifies spondylopathies that occur as manifestations of systemic or other classified diseases, affecting the vertebral column and surrounding structures. These codes target inflammatory, degenerative, or infectious processes involving the spine that are linked to an underlying primary disease. Accurate coding ensures clinical detail is captured and supports appropriate reimbursement and quality reporting.

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    When to Use

    Use a code from this group when spinal pathology is documented as secondary to or resulting from another diagnosed disease and the medical record links the two conditions. Select the code that matches the clinical details provided, including specific vertebral level, presence of infection, and relationship to the underlying disease.

    ICD-10-CM Codes

    10 rows

    ICD-10-CM CodeDescription
    M49.80Spondylopathy in diseases classified elsewhere, site unspecified
    M49.81Spondylopathy in diseases classified elsewhere, occipito-atlanto-axial region
    M49.82Spondylopathy in diseases classified elsewhere, cervical region
    M49.83Spondylopathy in diseases classified elsewhere, cervicothoracic region
    M49.84Spondylopathy in diseases classified elsewhere, thoracic region
    M49.85Spondylopathy in diseases classified elsewhere, thoracolumbar region
    M49.86Spondylopathy in diseases classified elsewhere, lumbar region
    M49.87Spondylopathy in diseases classified elsewhere, lumbosacral region
    M49.88Spondylopathy in diseases classified elsewhere, sacral and sacrococcygeal region
    M49.89Spondylopathy in diseases classified elsewhere, multiple sites in spine

    DRG Codes

    2 rows

    DRG CodeDescription
    551Medical Back Problems with MCC
    552Medical Back Problems without MCC

    Typical Clinical Scenarios

    • An elderly patient with a long-standing history of ankylosing features and progressive thoracolumbar stiffness presents to the outpatient rheumatology clinic for worsening axial back pain and new radicular symptoms after a minor fall. Imaging shows preexisting inflammatory spondylopathy with a fracture through an ankylosed segment and associated spinal instability; the clinician documents a spondylopathy in disease classified elsewhere as the primary spinal process causing the pain and neurologic signs. Typical codes: M49.82, M49.83
    • A middle-aged patient with known diffuse idiopathic skeletal hyperostosis (DISH) managed by orthopedics develops chronic cervical myelopathy with gait imbalance and hand clumsiness; outpatient MRI demonstrates degenerative ossification-related compression of the cervical spinal cord attributed to the underlying systemic spondylopathy. The encounter is for evaluation and planning of surgical decompression, and the diagnosed condition is recorded as the spondylopathy in disease classified elsewhere responsible for the cord compression. Typical codes: M49.84, M49.85
    • A patient hospitalized from an emergency department after an acute motor vehicle collision with acute worsening of preexisting spinal deformity and new neurologic deficit; CT/MRI demonstrate acute displacement and compression at a vertebral level with underlying chronic spondylopathic changes contributing to instability. The inpatient record lists the spondylopathy in disease classified elsewhere as a complicating spinal disorder affecting management and surgical decision-making. Typical codes: M49.86, M49.81

    Related Codes

    M45-ANKYLOSING-SPONDYLITIS

    ICD-10-CM Code For Ankylosing Spondylitis: Group Overview

    M46-OTHER-INFLAMMATORY-SPONDYLOPATHIES

    ICD-10-CM Code For Other Inflammatory Spondylopathies: Group Overview

    M47-SPONDYLOSIS

    ICD-10-CM Code For Spondylosis: Group Overview

    M48-OTHER-SPONDYLOPATHIES

    ICD-10-CM Code For Other Spondylopathies: 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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