20500 Njx sinus tract therapeutic
Also known as: sinus tract injection therapeutic, fistula injection
Injection of therapeutic agent (medication or contrast) into a sinus tract or fistula for treatment purposes. This procedure delivers medication directly to abnormal tract.
In Plain Language
injecting medicine into a fistula or sinus opening
Clinical Context
Used for treatment of chronic sinus tracts or fistulas with therapeutic agents, promoting healing and closure of abnormal tract.
RVU Breakdown
| Work RVU | 1.25 |
| Total RVU | 1.25 |
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 10-day global period — follow-up visits within 10 days of the procedure are included in the reimbursement. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 1.25, this code ranks in the 6th percentile among Surgery codes — 6.4x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 20500?
CPT 20500 (Njx sinus tract therapeutic) is a Surgery code. Injection of therapeutic agent (medication or contrast) into a sinus tract or fistula for treatment purposes. This procedure delivers medication directly to abnormal tract.
What is the wRVU value for CPT 20500?
The work RVU for CPT 20500 is 1.25. This code is primarily used by General Surgery, Colorectal Surgery. It has a 10-day global period.
When is CPT 20500 used?
Used for treatment of chronic sinus tracts or fistulas with therapeutic agents, promoting healing and closure of abnormal tract.
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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.