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Protein C Activity

Order Code: 1031

Sample Requirements

Citrated Plasma (light blue top)

Additional Sample Requirements

Protein C activity is measured by chromogenic method. Patients should be off warfarin for at least 2 weeks before drawing a sample. The assay kit manufacturer has demonstrated the assay to be unaffected by therapeutic levels of unfractionated heparin, low molecular weight heparin, dabigatran and rivaroxaban, but aprotinin may cause falsely reduced protein C activity results. Pathologic samples that have undergone contact activation may result in falsely elevated protein C activity. Age-dependent reference intervals are used.

Shipping Information

Frozen

Requested Volume

0.5 ml

Minimum/Pediatric Volume

0.3 ml

CPT Codes

85303

Method

Chromogenic

Turnaround Time

7 days

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