36815 Insertion of cannula
Also known as: arteriovenous graft, AV graft, synthetic graft, PTFE graft
Insertion of cannula for hemodialysis, arteriovenous; internal, nonautogenous (synthetic graft).
In Plain Language
implanting a synthetic tube connecting an artery and vein for dialysis
Clinical Context
Used for dialysis access when native fistula not possible. PTFE grafts are most common. Higher thrombosis risk than fistulas.
RVU Breakdown
| Work RVU | 2.55 |
| Total RVU | 2.55 |
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 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 2.55, this code ranks in the 18th percentile among Surgery codes — 3.1x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 36815?
CPT 36815 (Insertion of cannula) is a Surgery code. Insertion of cannula for hemodialysis, arteriovenous; internal, nonautogenous (synthetic graft).
What is the wRVU value for CPT 36815?
The work RVU for CPT 36815 is 2.55. This code is primarily used by Vascular Surgery, Nephrology, Surgical Nursing.
When is CPT 36815 used?
Used for dialysis access when native fistula not possible. PTFE grafts are most common. Higher thrombosis risk than fistulas.
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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.