Sign in →

Test Code LAB12750 Protein S (Activity)

Department

SEND OUTS

Reference Lab Test Number

PROTS

Collection Requirements

Draw blood in a light blue 3.2% sodium citrate tube. See appendices for coagulation test collection instructions.

Refer To

Warde Medical Laboratory

Primary Collection Container

Blue 2.7 mL (Citrate)

Transport

Plasma frozen

Preferred Transport Temperature

Frozen

Processing

CRITICAL FROZEN.

Send 1.0 mL plasma in a screw-capped plastic vial. Separate samples should be submitted when multiple tests are ordered.

Stability

Ambient: 8 hours

Refrigerated: Unacceptable

Frozen: 1 month

Minimum Testing Volume

0.5 mL

Reference Range

65-140%

Methodology

Clotting

Performed

Monday – Friday

Reported

4 Day

CPT Codes

85306

Unacceptable Conditions

Hemolyzed samples, thawed samples

Additional Information

Testing cannot be performed on a sample that has been thawed and refrozen.