Factor IX Activity, Clotting
Marker1 mL frozen platelet-poor plasma collected in 3.2% sodium citrate (light blue-top) tube
Heart Health & Cardiovascular
1 provider available
Starting at
$194
DirectLabs
Lowest PriceOnlineFactor IX Activity, Clotting
Investigates possible decreased bleeding, Hemophilia B
Updated 7/22/2025
$194
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