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Test Code PROTC Protein C Activity

Important Note

Test is temporarily being sent to Mayo.  Please refer to CFX.

Additional Codes

Epic EAP: LAB489

Epic Description: PROTEIN C FUNCTIONAL ACTIVITY

Specimen Type

Blood

Specimen Required

 

 

  Collection Container Preferred Volume Minimum Volume
Preferred

Light Blue, Sodium Citrate

1 X 2.7 mL 2.7 mL

 

Specimen Stability

Specimens are stable 4 hours at 15-25°C or 4 weeks at -20°C.

Instructions for Collection and Transport

Must be in CSR within one hour of collection.

If the patient’s known hematocrit value is above 55%, an adjustment of the ratio of anticoagulant to blood is necessary. Call the laboratory for a special collection tube for that hematocrit value. Centrifuge ASAP at 3,000 rpm’s for 15 minutes. Aliquot plasma into two plastic vials. Freeze specimen. Transport frozen on dry ice. Do not thaw.

Home Health Agencies:Transport to lab within 1 hour.

Aliquot Requirements

Plasma

Optimum 2 X 1.0 mL

Minimum 0.5 mL

Performing Lab

Hematology Lab

Assay Frequency

Once a week

Routine Turnaround Time

5-7 days excluding weekends and holidays

CSR Storage Requirements

Centrifuge within 1 hour of collection. Aliquot plasma into two plastic vials. If holding overnight, aliquot and freeze specimen.

CPT Code Information

85303