TOTAL S

Protein S Antigen, Total

EPIC Test Procedure Code: LAB2849

Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Light blue top (sodium citrate) tube
Specimen Type:

Platelet Poor Plasma

Preferred Volume:
2 mL
Minimum Volume:
1 mL
Specimen Processing:

1.  Centrifuge specimen in a centrifuge that has been validated to ensure platelet poor plasma.
2.  Immediately transfer the plasma to a stoppered, plastic tube and centrifuge again for 10 minutes.
3.  Transfer the supernatant plasma into a screw-capped, plastic vial and send at -20 °C, if possible.
4.  If unable to centrifuge, forward unprocessed sodium citrate whole blood (minimum volume: 2 mL) to the laboratory promptly at room temperature only.

Store and Transport:
Frozen (plasma)
Stability:

Unspun specimens must arrive within 2 hours of collection.

CPT Codes:

85305 - Protein S Total (EAP 30022460)

Test Schedule:
Monday - Friday
Method:
Latex Immunoassay (LIA)
Reference Ranges:

70 - 140

%

Lab Personnel

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