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    v1.0.28
    OpenPayerBilling CodesSymptoms and signs involving the nervous and musculoskeletal systemsICD-10-CM r26-abnormalities-of-gait-and-mobility
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    ICD-10-CM Code For Abnormalities Of Gait And Mobility: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group R26 includes diagnoses for unsteadiness on feet, difficulty walking, and specific abnormal gait patterns such as ataxic or spastic gait that reflect problems with mobility and coordination. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving impaired ambulation, neuromuscular or musculoskeletal contributors to gait disturbance, and functional limitations that impact patient care. Accurate coding within the ICD-10-CM R26 group supports appropriate reimbursement and complete clinical documentation.

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    ICD-10-CM R26: Abnormalities Of Gait And Mobility Overview

    The ICD-10-CM R26 group captures diagnoses related to disturbances in walking and movement control, including unsteadiness, difficulty walking, and abnormal gait patterns. These conditions primarily involve the nervous and musculoskeletal systems and can reflect acute injury, chronic disease, or functional impairment. Accurate coding is important for complete clinical records and can affect reimbursement by ensuring claims reflect the complexity of care.

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    When to Use

    Use a code from this group when a patient presents with documented gait disturbance, unsteadiness, or difficulty ambulating that requires medical attention or affects functioning. These codes are appropriate when the clinical record describes the nature of the gait impairment but the primary underlying etiology is not coded within this group.

    ICD-10-CM Codes

    6 rows

    ICD-10-CM CodeDescription
    R26.0Ataxic gait
    R26.1Paralytic gait
    R26.2Difficulty in walking, not elsewhere classified
    R26.81Unsteadiness on feet
    R26.89Other abnormalities of gait and mobility
    R26.9Unspecified abnormalities of gait and mobility

    DRG Codes

    5 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
    555Signs and Symptoms of Musculoskeletal System and Connective Tissue with MCC
    556Signs and Symptoms of Musculoskeletal System and Connective Tissue without MCC

    Typical Clinical Scenarios

    • An older adult presents to the emergency department after a ground-level fall with new difficulty walking and an unsteady, wide-based gait. The patient and family report several days of progressive imbalance and recent near-falls without focal limb weakness or sensory loss on initial exam; clinicians perform fall risk assessment and neurologic evaluation to determine cause of acute gait disturbance, and a symptom-level diagnosis is assigned pending further workup. Typical codes: R26.0, R26.89
    • A middle-aged patient with longstanding diabetic peripheral neuropathy follows in primary care for worsening shuffling and decreased walking speed over months, reporting frequent stumbles and need for a cane. The problem is chronic, affects mobility and activities of daily living, and is documented as an ongoing abnormality of gait to guide management and rehabilitation planning. Typical codes: R26.2, R26.1
    • A patient hospitalized for ischemic stroke develops abrupt inability to walk independently due to acute weakness and hemiparetic gait; physical therapy is consulted for mobility training during the inpatient stay. The gait disturbance is coded as a complication/comorbidity to capture the new mobility impairment related to the stroke and to track functional recovery. Typical codes: R26.1, R26.89

    Related Codes

    R25-ABNORMAL-INVOLUNTARY-MOVEMENTS

    ICD-10-CM Code For Abnormal Involuntary Movements: Group Overview

    R27-OTHER-LACK-OF-COORDINATION

    ICD-10-CM Code For Other Lack Of Coordination: Group Overview

    R29-OTHER-SYMPTOMS-NERVOUS-MUSCULOSKELETAL

    ICD-10-CM Code For Other Symptoms And Signs Involving The Nervous And Musculoskeletal Systems: 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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