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Test ID FPCTA Protein C, Total Antigen

Specimen Required

Specimen Type: Plasma

Container/Tube: Light Blue (sodium citrate)

Specimen Volume: 2 mL

Collection Instructions: Draw blood in a Lt. blue sodium citrate tube(s), Spin down and send 2 mL of platelet-poor plasma frozen in a plastic vial.


Additional Information:

1. Separate specimens must be submitted when multiple tests are ordered. Specimen must be split prior to transport.

2. Testing cannot be added on to a previously collected specimen.

Method Name

Enzyme Immunoassay

Reporting Name

Protein C, Total Antigen

Specimen Type

Plasma Na Cit

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma Na Cit Frozen 90 days

Reference Values

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%

Performing Laboratory

ARUP Laboratories

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FPCTA Protein C, Total Antigen 27820-0


Result ID Test Result Name Result LOINC Value
FPCTA Protein C, Total Antigen 27820-0

NY State Approved


Day(s) Performed

Monday through Sunday

Report Available

3 to 6 days