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    OpenPayerBilling CodesOther osteopathiesICD-10-CM m89-other-disorders-of-bone
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    ICD-10-CM Code For Other Disorders Of Bone: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group M89 includes a variety of noninflammatory and other specified bone disorders such as localized bone deformities, bone necrosis, and other atypical osteopathies affecting bone structure and integrity. These ICD-10-CM diagnosis codes are used to document clinical encounters for patients with structural bone abnormalities, bone degradation, or complications that may affect mobility and function, capturing disease severity, anatomic site involvement, and clinical complexity. Accurate coding within the ICD-10-CM M89 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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    ICD-10-CM M89: Other Disorders Of Bone Overview

    The ICD-10-CM M89 code group encompasses a range of noninflammatory and other specified disorders affecting bone structure and integrity. These diagnoses target the musculoskeletal system, including localized bone deformities, bone necrosis, and other atypical bone conditions. Accurate coding is important to reflect clinical complexity and supports appropriate reimbursement for services related to diagnosis and management.

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    When to Use

    Use a code from this group when a patient presents with a documented noninflammatory disorder of bone such as localized bone necrosis, deformity, or other specified osteopathy with a defined anatomic site. Select the most specific code that captures the clinical presentation, laterality, and any documented complications to ensure accurate clinical and billing records.

    ICD-10-CM Codes

    222 rows

    ICD-10-CM CodeDescription
    M89.00Algoneurodystrophy, unspecified site
    M89.011Algoneurodystrophy, right shoulder
    M89.012Algoneurodystrophy, left shoulder
    M89.019Algoneurodystrophy, unspecified shoulder
    M89.021Algoneurodystrophy, right upper arm
    M89.022Algoneurodystrophy, left upper arm
    M89.029Algoneurodystrophy, unspecified upper arm
    M89.031Algoneurodystrophy, right forearm
    M89.032Algoneurodystrophy, left forearm
    M89.039Algoneurodystrophy, unspecified forearm
    M89.041Algoneurodystrophy, right hand
    M89.042Algoneurodystrophy, left hand
    M89.049Algoneurodystrophy, unspecified hand
    M89.051Algoneurodystrophy, right thigh
    M89.052Algoneurodystrophy, left thigh
    M89.059Algoneurodystrophy, unspecified thigh
    M89.061Algoneurodystrophy, right lower leg
    M89.062Algoneurodystrophy, left lower leg
    M89.069Algoneurodystrophy, unspecified lower leg
    M89.071Algoneurodystrophy, right ankle and foot

    Showing 1–20 of 222

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    DRG Codes

    5 rows

    DRG CodeDescription
    553Bone Diseases and Arthropathies with MCC
    554Bone Diseases and Arthropathies without MCC
    564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
    565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
    566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • An elderly patient with chronic knee pain presents to orthopedics after progressive joint deformity and localized bone overgrowth are noted on radiographs; history includes prior osteoarthritis and focal bone sclerosis with irregular cortical contour. The clinician documents a localized osteopathy affecting the knee region as a chronic degenerative bony change requiring evaluation for joint-preserving or replacement options, so a code from this group identifying other osteopathic change of the knee is assigned. Typical codes: M89.061, M89.062
    • A middle-aged patient arrives to the emergency department after a low-energy fall with acute worsening of hip pain; imaging shows avascular necrosis with collapse and secondary bone destruction but no fracture through the cortex. The acute presentation of focal bone necrosis and collapse in the proximal femur is coded from this group to capture the specific osteopathic process contributing to acute pain and functional impairment. Typical codes: M89.151, M89.152, M89.153
    • A child with a history of bone infection and prior surgery is seen in outpatient follow-up for persistent localized bone deformity and growth disturbance at the distal femur; exam and imaging reveal chronic postinfectious osteopathic changes and abnormal bone remodeling impacting limb length. Because this is a chronic sequela affecting bone architecture after infection and surgery, a code from this group indicating other osteopathy of the femur is used to document the comorbidity and guide long-term management. Typical codes: M89.231, M89.232

    Related Codes

    M86-OSTEOMYELITIS

    ICD-10-CM Code For Osteomyelitis: Group Overview

    M87-OSTEONECROSIS

    ICD-10-CM Code For Osteonecrosis: Group Overview

    M88-OSTEITIS-DEFORMANS-PAGETS-DISEASE

    ICD-10-CM Code For Osteitis Deformans Paget's Disease Of Bone: Group Overview

    M90-OSTEOPATHIES-IN-DISEASES-CLASSIFIED-ELSEWHERE

    ICD-10-CM Code For Osteopathies 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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