What this is, in plain language
A blood test that measures how long your blood takes to clot — most often used to monitor blood thinners like warfarin (Coumadin).
Why a clinician orders it
Monitoring warfarin dosing, checking clotting before surgery, or evaluating liver function and bleeding disorders.
Medical necessity — what insurers usually look at
Usually covered. For people on warfarin, frequent testing is expected and covered; frequency limits may apply.
New to this? Read what medical necessity means and how to appeal a denial.
Documentation to ask about
- ✓Reason for the test
- ✓Current anticoagulant medications
- ✓In-network lab confirmation
Questions for your provider
- ?How often will I need this test?
- ?Is the lab in-network?
Why this code is in our seed set
High-volume coagulation test in the CMS Top 100 Laboratory Procedures Ranked by Services.
Validated against
- •CMS Top 100 Laboratory Procedures Ranked by Services
- •AMA CPT code 85610 descriptor
Important: AuraCode is an educational tool. It does not provide medical, legal, or insurance advice, claims decisions, or approval guarantees. Final coverage depends on your specific plan, eligibility, diagnosis, submitted documentation, and your insurer's review.