Pulmonology · CMS status A
94726
Plethysmography, lung volumes
Plethysmography for determination of lung volumes and, when performed, airway resistance.
Work RVU
0.65
2026 Medicare pays
$67.14
National GPCI · non-facility · CF $33.4009
RVU anatomyWork 0.65 + Practice 1.31 + Malpractice 0.05 = 2.01 total
Work (your effort)Practice expenseMalpractice
When to use it
Body plethysmography for TLC, RV, FRC measurement (full PFT).
Documentation checklist
- ✓FRC, TLC, RV measurements.
- ✓Airway resistance if performed.
- ✓Interpretation.
Common pitfalls
- !Cannot also bill 94727 (helium dilution) same encounter — they overlap.
Common modifiers
26TC
Common ICD-10 pairings
J44.9J84.10
Pairs well with
Educational reference, not billing or legal advice. Verify against your payer contracts and your compliance team before submission.