Summary & Overview
CPT 0511T: Implant Revision for Foot Hyperpronation
CPT code 0511T denotes a surgical implant revision procedure targeting the soft-tissue corridor between the ankle and calcaneus to treat symptomatic hyperpronation of the foot. The code captures both removal of a previously placed implant and immediate placement of a new implant in the same region, reflecting a combined explantation and reimplantation service. Nationally, this code matters because it defines billing and coverage categories for a specific foot stabilization intervention that can affect surgical authorization, hospital- or ambulatory-based reimbursement, and post-operative benefits.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for the procedure, information on typical sites of service, and the scope of services represented by the code. The publication summarizes common modifiers and associated billing considerations where provided and identifies gaps when input data are not available.
This summary equips clinicians, coding staff, and policy analysts with a clear description of the service captured by CPT code 0511T, the expected care setting, and payer coverage scope addressed in the national discussion. Data not available in the input is noted where relevant in later sections.
Billing Code Overview
CPT code 0511T describes a surgical procedure in which a physician removes an implant previously attached to soft tissues between the ankle and heel bones to treat hyperpronation of the foot and then places a new implant in the same region. This procedure addresses implant-related management of foot alignment and mechanical correction for symptomatic hyperpronation.
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Service type: Surgical implant removal and replacement for foot stabilization
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Typical site of service: Ambulatory surgery center or hospital operating room
Clinical & Coding Specifications
Clinical Context
A 42-year-old active patient with persistent symptomatic flexible adult-acquired flatfoot and recurrent pain along the lateral hindfoot presents for revision of a previously placed subtalar arthroereisis implant. The patient reports progressive pain, limited shoe wear, and recurrence of hyperpronation after prior implant insertion two years earlier. Imaging (weight-bearing radiographs and CT as needed) demonstrates malposition or migration of the subtalar implant with persistent hindfoot valgus and clinical instability. Conservative treatments including orthotics, physical therapy, and activity modification have failed.
The clinical workflow begins with preoperative evaluation by an orthopedic foot and ankle surgeon. Preauthorization and medical necessity documentation include operative reports from the index procedure, current history and physical, diagnostic imaging, and discussion of risks/benefits. On the day of surgery in an ambulatory surgery center or hospital outpatient department, the surgeon performs removal of the implanted device located in the sinus tarsi/subtalar region and then places a new implant for correction of hyperpronation. Postoperative care includes standard wound management, analgesia, protected weight bearing as indicated, and follow-up to assess implant position and functional outcome.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when the work required to remove and replace the implant is substantially greater than typical due to complexity, extensive scar tissue, or unusual intraoperative findings. |
50 | Bilateral procedure | Use when the removal and replacement are performed on both feet during the same operative session. |
52 | Reduced services | Use when the procedure is partially reduced or not completed as originally planned (for example, implant removal performed but replacement deferred). |
53 | Discontinued procedure | Use when the procedure is started but stopped due to extenuating circumstances or patient instability before implant exchange is completed. |
54 | Surgical care only | Use when another clinician bills for pre- and postoperative care separately (rare for single-surgeon episodes but applicable when split care occurs). |
55 | Postoperative management only | Use when the billing provider furnishes only postoperative care (e.g., another surgeon performed the operation). |
62 | Two surgeons | Use when two surgeons with different specialties actively participate and both bill for portions of the procedure (complex revisions may require this). |
66 | Surgical team (modifier for physician services) | Use when services are reported as part of a documented surgical team arrangement. |
78 | Return to operating room for related procedure during postoperative period | Use when the patient requires a related unplanned return to the OR for complications of this implant exchange within the global period. |
79 | Unrelated procedure or service by same physician during postoperative period | (Not in provided list) Data not available in the input. |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
207X00000X | Orthopaedic Surgery | Primary specialty performing subtalar implant removal and replacement. |
207K00000X | Podiatry (Surgery) | Podiatric surgeons commonly perform subtalar implant procedures for hyperpronation. |
2080P0002X | Foot and Ankle Surgery (Orthopaedic Foot & Ankle) | Subspecialists focused on complex hindfoot procedures and revisions. |
207Y00000X | Surgery (General) | General surgeons do not typically perform this procedure but are included when surgical teams involve multiple specialties. |
208000000X | Physical Medicine & Rehabilitation | Involved in pre/postoperative nonoperative care and functional rehabilitation. |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
M21.66 | Other acquired deformity, ankle and foot | Used for acquired hindfoot/forefoot deformities leading to hyperpronation requiring implant correction. |
M21.67 | Other acquired deformity, bilateral ankle and foot | Applicable when deformity affects both feet and bilateral implant revision is performed. |
M77.41 | Posterior tibial tendinopathy, right leg | Posterior tibial tendon dysfunction is a common contributor to adult-acquired flatfoot and hyperpronation; may coexist and influence surgical planning. |
M77.42 | Posterior tibial tendinopathy, left leg | Same relevance for left-sided disease. |
M21.36 | Flexible flatfoot [pes planus], acquired | Directly related diagnosis indicating flexible pes planus for which subtalar arthroereisis implants are used. |
M25.57 | Pain in ankle and joints of foot | Symptom code often reported as the presenting complaint prompting revision of a painful or malpositioned implant. |
T85.898A | Other complications of internal prosthetic devices, implants and grafts, initial encounter | Used when documenting complications related to the existing subtalar implant such as migration or pain. |
S92.98 | Other fracture of other parts of foot | Included when concomitant fractures are present or discovered and managed during revision; used selectively as clinically indicated. |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
28308 | Closed treatment of displaced fracture, talus; without manipulation | May be required if intraoperative discovery of talar fracture or if fracture reduction is needed in the same operative session (rare). |
28190 | Revision, triple arthrodesis, partial or complete | Represents more extensive hindfoot reconstructive options when implant exchange is insufficient to correct deformity. |
28845 | Arthroereisis, subtalar, implant | Common primary procedure for correction of hyperpronation; this code describes initial implant placement which may precede or follow revision. |
20680 | Removal of implant; deep (e.g., buried wire, pin, screw, metal band, nail, rod or plate) | May apply when additional deep hardware unrelated to the subtalar implant requires removal during the same operative session. |
11042 | Debridement; muscle and/or fascia | Used when extensive scar tissue or soft-tissue debridement is necessary to access and replace the implant. |
76005 | Fluoroscopic guidance; simple | Frequently performed intraoperatively to confirm implant removal and placement position under imaging guidance. |