Tip: Watch how you support medical necessity for warfarin therapy. Here’s where many coders make the wrong ICD-9 choice.
Don’t get stuck with the bill for your physician’s in-office monitoring of Coumadin use — instead, learn the Coumadin coding ropes. One surefire way is to follow these 3 guidelines.
1. Put Proper Code to Periodic PT Test
“Physicians often use PT [prothrombin time] to assess patient response to the drug warfarin,” says Barb Miller, MT (ASCP) SH, with Nebraska Medical Center.
When patients on warfarin therapy come to your “Coumadin clinic” for periodic testing to assess their anticoagulation status, you should report 85610 (Prothrombin time) for the test.
AUDIO: If you’re like most practices, many of your Coumadin patients are Medicare benes. Don’t let new enrollment rule slip-ups hold up reimbursement. Get the facts here.
Remember the modifier: Be sure to append modifier QW (CLIA waived test) to 85610 (and that you...
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