43845 Gastroplasty duodenal switch
Also known as: duodenal switch, biliopancreatic diversion with duodenal switch, BPDS
Gastroplasty with duodenal switch creating bypass of duodenum for morbid obesity treatment.
In Plain Language
intestinal bypass weight loss surgery; duodenal rerouting surgery
Clinical Context
Complex bariatric procedure combining restrictive component (gastroplasty/sleeve) with malabsorptive component (duodenal bypass). Used for severe obesity with high metabolic requirement.
RVU Breakdown
| Work RVU | 32.47 |
| Total RVU | 32.47 |
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 32.47, this code ranks in the 94th percentile among Surgery codes — 4.1x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 43845?
CPT 43845 (Gastroplasty duodenal switch) is a Surgery code. Gastroplasty with duodenal switch creating bypass of duodenum for morbid obesity treatment.
What is the wRVU value for CPT 43845?
The work RVU for CPT 43845 is 32.47. This code is primarily used by Bariatric Surgery, General Surgery. It has a 90-day global period.
When is CPT 43845 used?
Complex bariatric procedure combining restrictive component (gastroplasty/sleeve) with malabsorptive component (duodenal bypass). Used for severe obesity with high metabolic requirement.
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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.