Pulmonology has one of the highest telehealth adoption rates among medical specialties. Patients managing COPD, asthma, sleep apnea, or pulmonary fibrosis often live far from their specialist or face mobility limitations that make in-person visits difficult. Remote visits address that gap effectively.
Billing for those visits is where practices run into consistent problems. Pulmonology billing is one of the more error-prone areas in specialty revenue cycle work because the rules shift frequently and vary considerably between payers.
Why Pulmonology Telehealth Billing Is More Complex Than Most Specialties
The complexity begins at the federal level. With the 2026 Physician Fee Schedule, CMS did not adopt the new 98000-series CPT codes introduced by the AMA for telehealth. Medicare continues to require traditional evaluation and management codes, specifically 99202 through 99215, paired with the correct place of service codes and modifiers.
Commercial payers add another layer of variation. Some have adopted the new CPT series. Others continue with legacy codes. Medicaid rules differ by state. Without payer-specific verification before each claim submission, denials accumulate quickly and recovery becomes time-consuming.
Core Telehealth Billing Requirements for Pulmonology Practices
Place of Service Codes
Place of service accuracy is the first requirement on every telehealth claim.
- POS 10 applies when the patient is at home
- POS 02 applies when the patient is at any other non-clinical location
Modifier Requirements
- Modifier 95 identifies a synchronous audio-visual telehealth encounter
- Modifier 93 applies to audio-only visits, but only when the provider had audio-video capability available and the patient declined or could not access video
That clinical distinction must be explicitly documented in the visit notes. Without it, Modifier 93 will not hold up under payer review. Accurate documentation is what holds a telehealth claim together under payer review and gaps at this stage are one of the most consistent sources of denials in pulmonology billing. Precise medical coding at the point of claim preparation is what prevents those gaps from reaching the payer.
Pulmonology Telehealth CPT Codes Reference Table
| Service | CPT Code | Medicare Eligible | Notes |
| New patient visit | 99202-99205 | Yes | POS 10 or 02, Modifier 95 |
| Established patient visit | 99211-99215 | Yes | Modifier 93 for audio-only |
| Brief virtual check-in | 98016 | Yes | Established patients, 5-10 min |
| Chronic care management | 99490 | Yes | Common for COPD management |
| Pulmonary rehab Phase I | 94625 | Limited | Payer-specific, verify first |
| Spirometry | 94010-94060 | No | Requires in-person equipment |
One point worth noting on audio-only visits: CMS permits them when a patient cannot use video or declines it, but documentation must specifically reflect that audio-video capability was available on the provider’s end. Without that on record, the modifier does not stand up under audit.
Common Telehealth Billing Errors in Pulmonology
These are the errors that appear most consistently in pulmonology telehealth audits and denial reports:
Outdated or Retired Codes
Audio-only codes 99441 through 99443 were discontinued in 2026. Practices still using these in active billing workflows are generating automatic denials.
Incorrect Place of Service
Applying the wrong POS code for home-based visits is one of the most frequent and easily preventable errors in telehealth claim submission.
Missing Prior Authorization
Several payers require specialty-specific prior authorization for telehealth services. Submitting without it results in denial regardless of clinical appropriateness.
Services Not on CMS Telehealth Schedule
Submitting services not listed on the current CMS covered telehealth schedule triggers automatic rejection. The schedule is updated regularly and requires active monitoring.
None of these are edge cases. They are recurring patterns across practices that have not updated their billing workflows to reflect current requirements.
What Recurring Denials Actually Cost a Pulmonology Practice
Pulmonology practices monitor chronic condition patients on a regular schedule. A single denial is manageable. A recurring pattern across a patient panel for the same coding error is a sustained revenue problem.
The practical consequences include:
- Revenue delays of 30 to 90 days during claim reprocessing
- Compliance exposure from repeated modifier errors
- Overpayment demands triggered during payer audits
- Write-offs on claims that pass the timely filing window before recovery is completed
For practices where telehealth accounts for a significant share of visits, these losses compound quickly. Structured denial appeals help recover revenue after the fact, but catching errors before submission is always the more efficient approach. Practices managing high telehealth volumes often find that outsourcing to specialist medical billing services reduces that burden significantly.
How MedLife MBS Handles Pulmonology Telehealth Billing
Pulmonology telehealth billing requires current knowledge of CMS coverage lists, modifier logic, payer-specific code adoption and documentation standards that hold up under review. Generalist billing staff cannot maintain that consistently alongside other specialties.
MedLife’s pulmonology billing team covers the full telehealth claim workflow, from code selection and modifier application through payer eligibility verification before submission. Code and policy updates are tracked and applied without the practice needing to monitor CMS releases independently.
If telehealth billing is creating recurring issues in your revenue cycle, a free billing assessment can identify where the gaps are. MedLife MBS works with pulmonology practices across the full billing cycle, from claim preparation through denial resolution.