Test Code LAB12749 Protein C (Activity)
Department
SEND OUTS
Reference Lab Test Number
PROTC
Collection Requirements
Draw blood in a light blue 3.2% sodium citrate tube. See appendices for coagulation test collection instructions.
Refer To
Primary Collection Container
Blue 2.7 mL (Citrate)
Transport
Plasma frozen
Preferred Transport Temperature
Frozen
Processing
CRITICAL FROZEN.
Send 1.0 mL plasma in a screw-capped plastic vial. Separate sample should be submitted when multiple tests are ordered.
Stability
Ambient: 8 hours
Refrigerated: Unacceptable
Frozen: 1 month
Minimum Testing Volume
0.5 mL
Reference Range
70-130%
Methodology
Chromogenic
Performed
Monday – Friday
Reported
4 Days
CPT Codes
85303
Unacceptable Conditions
Hemolyzed samples, thawed samples.