CPT Knowledge Base - Jun 10, 2013
When performing an amplified DNA probe test for both GC and Chlamydia on the same specimen at the same time, is code 87801 the correct code to report? Or should codes 87491 and 87591 both be reported? ...
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Article Overview
This coding article addresses laboratory reporting for a combined amplified DNA probe test performed on one specimen for two sexually transmitted infections. It is relevant to lab coders, billers, and compliance staff who need to understand how test-result reporting structure relates to CPT code selection. The article focuses on the difference between a multiplex-style result and separate organism-specific reporting, within the context of CPT laboratory molecular testing.
Why This Topic Matters
Correct reporting for combined infectious disease testing affects claim accuracy and consistent lab coding. Understanding the scope of the reported results helps determine which CPT laboratory code pathway is appropriate for the test as performed and documented.
What You Will Learn
- How combined molecular laboratory testing for two organisms is discussed in coding terms
- How result reporting format can affect CPT code selection
- How the article frames organism-specific versus multi-organism testing scenarios
- What broad factors to review when evaluating a specimen-based infectious disease assay
Who Should Read This
- Medical coders
- Laboratory billers
- Compliance staff
- Pathology and laboratory revenue cycle teams
Codes Discussed
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