Protein C, Total Antigen PCAG

Method(s) Enzyme Immunoassay
Specimen Required
Collect

One 3 mL light blue (sodium citrate) top tube. See Collection and Processing of Coagulation Specimens information (link below).

Transport 2 mL platelet-poor plasma, frozen. (Min: 1 mL)
Stability Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 3 months
Unacceptable Conditions

Serum, EDTA plasma, clotted or hemolyzed samples.

Schedule Daily
Billing Code 5010213
CPTCode 85302
Notes Patient on warfarin may have decreased protein C values. Patients should be off warfarin therapy for two weeks for accurate measurement of protein C.
Preferred Specimen Collection Device(s)
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%
No Appointment Necessary
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11 Patient Service Centers in Central New York.

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