When a CPT code includes multiple serial tests, such as a glucose tolerence test (codes 82951 and 82953 DELETED IN 2015), can modifier 91 be appended? ...
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Article Overview
This short coding guidance article explains a CPT laboratory reporting question involving serial testing and modifier 91. It is useful for coders and billing staff who work with clinical diagnostic laboratory services and need to understand how the article frames reporting for tests described as serial or repeated within a single code family.
Why This Topic Matters
Articles like this help coding professionals quickly identify whether a lab reporting scenario is being addressed and whether modifier usage is discussed in the context of CPT laboratory services.
What You Will Learn
- The article’s focus on CPT laboratory reporting for serial testing
- How the article frames the question of modifier 91 in a glucose tolerance testing scenario
- The general type of guidance provided for repeated same-day laboratory measurements
- The coding context in which serial tests are discussed
Who Should Read This
- Medical coders
- Billing staff
- Compliance teams
- Laboratory revenue cycle staff
Codes Discussed
Code Ranges Discussed
Modifiers Discussed
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