Part B Coding Coach: Simplify Your Pulmonary Function Test Coding With This Diffusing Capacity Change

Why This Topic Matters

It helps coders recognize a CPT code-set change that affects pulmonary function test reporting and understand which related test codes are discussed alongside the update.

Article Sections

1. Note Benefits of Single Add-on Code

   Introduces the CPT update and the shift to a single add-on reporting approach for the topic covered in the article. It also discusses why the change was made and how the update relates to earlier coding practice.

2. Benefit

   Summarizes the practical impact of the CPT change and references related reimbursement context and reporting structure.

3. Coding tip

   Places the update in the context of other pulmonary function test services and describes the broader family of related PFT procedures mentioned in the article.

4. Example

   Provides a clinical scenario illustrating the testing process discussed in the article and compares the two measurement pathways at a high level.