ARUP's Laboratory Test Directory

Protein C, Total Antigen : 0030111

Mnemonic: PROT C

Methodology: Enzyme Immunoassay
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect:  One 5 mL lt. blue (sodium citrate).  Refer to the Hemostasis/Thrombosis Specimens section in the front of this User's Guide for specimen collection instructions.

Transport:  2 mL platelet-poor plasma, frozen. (Min: 1 mL) Submit specimen in an ARUP Standard Transport Tube.

Unacceptable Conditions:  Serum.  Hemolyzed specimens.

Stability:  Ambient: 4 hours; Refrigerated: 24 hours; Frozen: 2 weeks
Reference Interval:
1-4 days: 17-53%
5-29 days: 20-64%
30-89 days: 21-65%
90-179 days: 28-80%
180-364 days: 37-81%
1-5 years: 40-92%
6-10 years: 45-93%
11 years and older: 63-153%
Interpretive Data: Patients on oral anticoagulants may have decreased values. Patients should be off oral anticoagulant therapy for two weeks for accurate measurement of protein C/S levels.
CPT Code(s): 85302
 
 

 

 

 
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