91065
GICMS status: ABreath hydrogen or methane test for small bowel bacterial overgrowth, lactose intolerance, or H. pylori.
Work RVU
0.00
Practice RVU
1.31
Malpractice RVU
0.02
Total RVU
1.33
2026 Medicare payment
$44.42
National GPCI = 1.000 · Conversion factor $33.4009 · Non-facility
Model this code
Drop 91065 into a scenario to see how unit volume rolls up to annual wRVUs, gross collections, and bonus.
Open in calculator →When to use it
Office breath test, typically for H. pylori urea breath test or SIBO eval.
Documentation checklist
- ✓Indication.
- ✓Substrate used (urea, lactulose, glucose).
- ✓Baseline and timed measurements.
- ✓Interpretation.
Common pitfalls
- !Patient prep is critical (no antibiotics, PPIs, bismuth for required interval) — invalid prep = invalid result.
Common ICD-10 pairings
B96.81K90.41
Educational reference, not billing or legal advice. Verify against your payer contracts and your compliance team before submission.