Pulmonology Billing Experts

Pulmonology Medical Billing Services

Pulmonology billing involves complex diagnostic testing and chronic disease management codes that require meticulous documentation.

Get Your Free Assessment Explore the Guide
Pulmonology Medical Billing Services
190+

Pulmonology Practices

97.8%

Clean Claim Rate

$4.5M

Revenue Recovered

24hr

Claim Submission

Overview

The Diagnostic and Procedural Scope of Pulmonology Billing

Pulmonology billing involves complex diagnostic testing and chronic disease management codes that require meticulous documentation. Pulmonary function tests (94010-94799) encompass spirometry, diffusion capacity studies, and lung volume measurements, each with distinct billing requirements. Many payers bundle certain PFT components together, and billing them separately without modifier 59 and proper clinical justification results in denials.

Chronic disease management for conditions like COPD and asthma generates recurring billing through E/M visits, nebulizer treatments, and oxygen therapy prescriptions. Oxygen qualification testing must meet specific SpO2 thresholds, and documentation shortfalls are the leading cause of Medicare oxygen claim denials.

The Diagnostic and Procedural Scope of Pulmonology Billing
Challenges

Common Pulmonology billing Challenges We Solve

Every Pulmonology billing team deals with payer delays, coding nuance, and collection leakage.

Pulmonary Function Test Billing

PFTs involve multiple components: spirometry (94010), lung volumes (94726), DLCO (94729), and bronchodilator response (94060). Each is billed separately, and missing any component leaves revenue uncollected.

Bronchoscopy Procedure Coding

Diagnostic bronchoscopy (31622), with biopsy (31625), with BAL (31624), and with brushing (31623) follow hierarchical coding rules. Multiple procedures during the same session require correct modifier application.

Critical Care and Ventilator Management

Pulmonologists providing ICU care bill critical care codes (99291-99292) alongside ventilator management (94002-94005). Time documentation must clearly separate critical care time from ventilator management time.

Sleep Study Billing Complexity

In-lab polysomnography (95810-95811) and home sleep testing (95800-95801) have different reimbursement rates and pre-authorization requirements. Technical and professional component splits must be correctly applied.

Services

Complete Pulmonology billing Services

Support spans the full revenue cycle.

Pulmonary function test billing (spirometry, lung volumes, DLCO)

Bronchoscopy procedure coding with multi-procedure modifier management

Critical care and ventilator management billing

Sleep study billing (PSG, MSLT, home sleep testing)

Chronic disease management (COPD, asthma, pulmonary fibrosis)

Prior authorization for biologic drugs and advanced diagnostics

Coverage

Serving Pulmonology billing Teams Nationwide

We support independent practices and growing provider organizations.

Independent physician groups

Multi-location practices

Private equity backed platforms

Hospital-owned outpatient groups

Guide

The Complete Guide to Pulmonology billing

Pulmonology Billing Overview

Pulmonology billing combines diagnostic testing, procedural services, and chronic disease management into a complex reimbursement landscape. Practices must navigate bundling rules for pulmonary function tests, prior authorization requirements for advanced procedures, and the overlap between critical care billing and routine pulmonology services.

Pulmonary Function Testing

Spirometry (94010) is the foundational pulmonary function test and is frequently performed alongside bronchospasm evaluation (94060), which includes pre-bronchodilator and post-bronchodilator spirometry. Billing 94010 and 94060 together on the same date of service will trigger a bundling denial because 94060 already includes spirometry. When a full pulmonary function panel is ordered, lung volumes (94726) and diffusing capacity (94729, DLCO) are reported separately but must be supported by documentation of the clinical indication, such as suspected restrictive disease or interstitial lung disease.

Pre-bronchodilator and post-bronchodilator testing requires documentation of the specific bronchodilator administered, the dosage, and the time interval between administrations. Payers deny 94060 claims when the post-bronchodilator component is not clearly documented in the test report.

Bronchoscopy and Procedural Billing

Diagnostic bronchoscopy (31622) serves as the base code, with additional codes for brushing (31623) and bronchoalveolar lavage (31624). When multiple bronchoscopic procedures are performed in the same session, the base bronchoscopy is included in the more complex procedure. Report only the most comprehensive code unless distinct procedures are performed in separate anatomic sites, in which case modifier 59 applies.

Critical Care Overlap

Pulmonologists frequently provide critical care services (99291 for the first 30 to 74 minutes, 99292 for each additional 30 minutes) in the ICU setting. Critical care time must exclude any separately billable procedures performed during the same encounter. If a bronchoscopy is performed during a critical care period, the time spent on the procedure must be subtracted from the total critical care time documented. This is a common audit finding and a frequent source of overpayment recoupment.

Payer and Documentation Considerations

  • Sleep study referrals (95810, 95811) require a documented sleep assessment and often a home sleep test (95800) before payers will authorize in-lab polysomnography.
  • Chronic care management codes (99490, 99491) apply to patients with COPD, pulmonary fibrosis, and other chronic pulmonary conditions. Document 20 minutes of non-face-to-face care coordination per month.
  • Oxygen therapy documentation (E0431, E0434) must include qualifying arterial blood gas or pulse oximetry results at rest, with exertion, and during sleep.
  • Pulmonary rehabilitation (94625, 94626) requires a physician-prescribed plan, documented session attendance, and periodic reassessment of functional capacity.
Common Questions

Frequently Asked Questions About Pulmonology billing

Answers to the questions practice owners ask most often.

We bill each PFT component separately: spirometry (94010), flow-volume loop (94375), lung volumes (94726), DLCO (94729), and bronchodilator response (94060). When all components are performed during the same session, we ensure each code is submitted with appropriate documentation. Missing even one component can leave $30 to $75 unbilled.

Diagnostic bronchoscopy (31622) is the base code. When additional procedures are performed (biopsy 31625, BAL 31624, brushing 31623), we apply the appropriate modifier to the secondary procedures. Some combinations bundle under CCI edits, and we know which require modifier 59 for separate reimbursement.

Yes. Critical care billing (99291 for the first 30-74 minutes, 99292 for each additional 30 minutes) requires precise time documentation excluding procedures with separate CPT codes. We review ICU notes daily to ensure time documentation supports the billed critical care level.

We handle both in-lab polysomnography (95810 attended, 95811 with CPAP titration) and home sleep testing (95800-95801). For practices that own their sleep lab, we bill both technical and professional components. For practices using independent labs, we bill the professional interpretation only.

Biologics for severe asthma (omalizumab, mepolizumab, dupilumab) and antifibrotic drugs (pirfenidone, nintedanib) require prior authorization with clinical documentation including spirometry results, exacerbation history, and previous treatment failures.

COPD and asthma management visits are billed using standard E/M codes with appropriate diagnosis codes. When combined with PFTs or nebulizer treatments, we ensure all services are captured. For patients in pulmonary rehabilitation programs, we bill 94625-94626 for the rehab sessions separately.

READY TO GET STARTED?

Start Billing Smarter for Pulmonology billing

Get a revenue review and a clear action plan tailored to your practice.

Get Your Free Assessment

HIPAA Compliant · No Upfront Fees · No Long-Term Contracts