CPT procedure code
CPT 85610: Prothrombin time (PT)
Procedure code with common scenarios, denial patterns, and appeal guidance.
Code
85610
Category
pathology
Common scenarios
- PT
- PT/INR
Common denial patterns
- Missing PA where required
- Wrong POS or modifier
Frequently asked questions
What is CPT 85610?
Prothrombin time (PT)
When is it typically billed?
PT; PT/INR.
What are common denial reasons?
Missing PA where required; Wrong POS or modifier.
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