The Reason Pulmonology & Sleep Medicine
Billing Requires Specialized Skill
By contrast, pulmonology and sleep medicine require coders and billers to be extensively familiar with, Lack of expertise can cause billing errors to be rejected, delayed, or result in compliance audits.
Pulmonary Function Test (PFT) Billing
Such as spirometry (94010), lung volumes, diffusion capacity (DLCO), and bronchoprovocation testing.
High-Complex Diagnostic Coding
Including bronchoscopes, thoracentesis, biopsy of the pleura, or assistance with mechanical intubation.
Polysomnography (Sleep Study Billing)
CPT 95810 (full-night study), 95811 (split-night CPAP titration), 95800–95806 (home sleep apnea testing).
Global vs. Split Billing
Separation of technical and professional components when required.
Durable Medical Equipment (DME) Billing
HCPCS billing codes for CPAP/BiPAP machines, masks, tubing, humidifiers, and filters.
Usage of Modifiers
Such as 26 (professional component), TC (technical component), 59 (distinct procedural service), and KX (medical necessity met).






