21084 Impres & prep sp aid prosthesis
Also known as: specialized prosthesis, custom aid prosthesis
Impression making and preparation for specialized aid prosthesis.
In Plain Language
making specialized prosthesis for specific need; custom functional prosthesis
Clinical Context
Creation of specialized prosthetics for unique clinical needs not covered by other codes.
RVU Breakdown
| Work RVU | 21.92 |
| Total RVU | 21.92 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 21.92, this code ranks in the 85th percentile among Surgery codes — 2.7x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 21084?
CPT 21084 (Impres & prep sp aid prosthesis) is a Surgery code. Impression making and preparation for specialized aid prosthesis.
What is the wRVU value for CPT 21084?
The work RVU for CPT 21084 is 21.92. This code is primarily used by Prosthodontics, Oral and Maxillofacial Surgery. It has a 90-day global period.
When is CPT 21084 used?
Creation of specialized prosthetics for unique clinical needs not covered by other codes.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.