What we bill · Pulmonary rehabilitation
Pulmonary rehab pays well — until a session limit or a note ends it
Pulmonary rehabilitation is covered and valuable, but it's gated by code selection, Medicare session limits, and documentation. Miss any of the three and reimbursement stops quietly. Here's how it works and what to demand.
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Three things that decide whether rehab gets paid
Codes and Medicare coverage rules for pulmonary rehab change and vary by setting — verify against current CMS guidance before billing.
Code selection. Comprehensive pulmonary rehab is commonly reported with G0424; separate outpatient pulmonary rehab services use their own codes (94625/94626). Using the wrong one for your program and setting invites denials.
Session limits. Medicare covers a defined number of sessions, extendable with documented medical necessity. Someone has to count them — sessions billed past the limit without support are written off.
Qualifying diagnosis and documentation. Coverage hinges on a documented qualifying diagnosis (such as moderate-to-severe COPD) and the program and supervision requirements being reflected in the record.
What to demand from a biller
Ask any prospective biller how they track session counts against the current Medicare limit, how they confirm the qualifying diagnosis is documented before billing, and how they'd handle a request to extend beyond the standard course. A biller who runs pulmonary rehab casually will let the session counter — and your reimbursement — run out unnoticed.
Pulmonary rehab billing, answered
What code is used for pulmonary rehabilitation?
Comprehensive pulmonary rehabilitation is commonly reported with G0424, while separate outpatient pulmonary rehab services have their own code family (94625/94626). Which applies depends on the program and setting — confirm the current code against CMS guidance before billing.
How many pulmonary rehab sessions does Medicare cover?
Medicare has historically covered a defined number of sessions, with the possibility of an extension when medical necessity is documented. Because the exact limits and rules change, a biller should track sessions against the current Medicare policy rather than assume.
Why was our pulmonary rehab claim denied?
The most common causes are exceeding the covered session count without documentation to support an extension, a qualifying diagnosis that isn't clearly documented, or supervision and program requirements not reflected in the record.
Keep rehab reimbursement from quietly stopping
Get competitive quotes, then ask each biller how they track session limits and qualifying-diagnosis documentation.
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