Search for Tests

Search by test name, number or alias

Back to search results

PROTEIN S, TOTAL ANTIGEN

Test Number:
  • 0030112
Test Alias:
Preferred Specimen:
  • Plasma
Container Type:
  • 3.2% sodium citrate light blue top
Alternative Specimen:
  • No alternative specimen.
Volume:
  • Minimum 1 mL, preferred 2 mL
Collection Instructions:
  • Draw blood in light blue-top tube containing 3.2% sodium citrate, mix gently by inverting 5-10 times. Centrifuge 15 minutes at 2500-3500 RPM. using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial. Centrifuge a second time and transfer platelet-poor plasma into a new plastic vial. plasma must be free of platelets (<10,000/UL). Freeze immediately and ship on dry ice.
Transport Temperature:
  • CRITICAL FROZEN
Specimen Stability:
  • Room temp and Refrigerated: Unacceptable
  • Frozen (-20 degrees): 30 days
  • Frozen (-70 degrees): 1 year
Methodology:
  • Immunoturbidimetric
CPT Code:
  • 85305
Reject Criteria:
Reference Range:
  • 70-140 % normal
Report Available:
  • 8 days

Back to search results