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CPT 26820: Thumb MCP Joint Immobilization in Opposition with Autograft
CPT code 26820 denotes a reconstructive surgical procedure that surgically immobilizes the thumb metacarpophalangeal (MCP) joint in an opposition position using an autograft. The code covers definitive stabilization to restore or preserve thumb opposition, a critical function for hand dexterity and activities of daily living. Nationally, this procedure matters because it is used in cases of traumatic injury, chronic instability, or when tendon transfers and other reconstructive options are unsuitable.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers can expect a concise overview of clinical context for CPT code 26820, typical sites of service and service type, and what to look for in payer coverage: authorization considerations, expected setting of care, and common procedural descriptors. The publication will also summarize available benchmarks and policy-relevant issues where data is available and identify areas with "Data not available in the input" for missing specifics such as associated taxonomies, ICD-10 diagnoses, or related codes. This national-level summary is intended to inform coding, billing teams, and clinical administrators about the code’s clinical role, typical utilization settings, and the range of payers likely to be involved.
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Billing Code Overview
CPT code 26820 describes a surgical procedure to immobilize the metacarpophalangeal (MCP) joint of the thumb in an opposition position using an autograft. The procedure restores or maintains thumb opposition by stabilizing the joint where the metacarpal bone of the thumb meets its phalanx, typically performed when reconstructive stabilization of thumb function is required.
Service type: Surgical — reconstructive/orthopedic hand surgery
Typical site of service: Operating room or ambulatory surgical center (inpatient or outpatient surgical setting, depending on clinical complexity and patient factors)