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See a sample rate comparisonCPT 21100 Fee Schedule
Last Verified: October 2026
Healthcare providers use this code to document and receive reimbursement for visits that address moderate-level medical decision-making, often including multiple diagnoses or prescription management.
Device To Prevent Motion, Application Of A Halo (Ring-Shaped Fixture) To Prevent Movement Of The Head Neck Pelvis Or Leg. The Halo Is Used For X-Rays Traction Or Surgery.
| Key Fact | Detail |
|---|---|
| Service Type | Surgery Surgical Procedures on the Musculoskeletal System |
| Common Place of Service | 11 - Office 22 - On Campus Outpatient Hospital 21 - Inpatient Hospital |
| Common Modifiers | None 51 - Multiple procedures 59 - Distinct Procedural Service |
| Complexity Level | Moderate |
| Medicare Fee Schedule | View Medicare rates for 21100 |
| Medicaid Fee Schedule | View Medicaid rates for 21100 |
National average reimbursement for CPT 21100 by major payers:
$807.90
$912.10
$916.37
$664.84
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CPT 21100
5 of 25 sample ratesHigher to lower in this preview
Med City Dallas Outpatient Surgery Center, L.P., Medical City Surgery Center/Dallas
$9,421.00Published rateMason Ridge Ambulatory Surgery Center Lp, Gateway Endoscopy Center
$5,020.00Published rateMatthews Surgery Center, LLC
Matthews Surgery Center LLC
$3,555.00Published rateSouth Shore Sc, LLC
South Shore Surgery Center, LLC
$2,759.00Published rateSeidenberg Protzko Surgery Center LLC, Mid Atlantic Surgery Pavilion
Seidenberg Protzko Surgery Center LLC
$1,211.00Published rate
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See a sample payer proposalCPT 21100 vs. Other Surgical Procedures on the Musculoskeletal System Codes
The CPT 21100 code is part of the Surgery services used for Surgical Procedures on the Musculoskeletal System. It represents a moderate-complexity encounter and is one of several codes that vary based on time spent, level of medical decision-making, and documentation requirements.
The CPT 21100 code involves more provider time and moderate medical decision-making, unlike lower-level codes that require less time and simpler assessments. It typically includes multiple diagnoses, medication management, or test interpretation, leading to higher reimbursement and more detailed documentation requirements.
| Code | Complexity | Description |
|---|---|---|
| 21089-CPT | High | Unlisted Maxillofacial Prosthe, Unlisted Maxillofacial Prosthetic Procedureunlisted Maxillofacial Prosthetic Procedure |
| 21100-CPT | Moderate | Device To Prevent Motion, Application Of A Halo (Ring-Shaped Fixture) To Prevent Movement Of The Head Neck Pelvis Or Leg. The Halo Is Used For X-Rays Traction Or Surgery. |
| 21110-CPT | Moderate | Application Of Interdental Fix, Application Of Interdental Fixation Device For Conditionsother Than Fracture Or Dislocation Includes Removal |
| 21116-CPT | Moderate | Inject Proc For Temporomandibu Joint Arthrography, Injection Procedure For Temporomandibular Joint Arthrography |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 21100. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 21100 fee schedule helps patients estimate costs and providers optimize billing for accurate reimbursements.
Factors that affect fee schedules
Medicare & Medicaid Rates
Government-set reimbursement amounts
Private Insurance Rates
Negotiated rates between providers and insurance companies
Geographic Location
Costs may be higher in urban areas.
Provider Type
Hospital providers may have different rates than private practice.
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