Protein S (Blood)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Haematology

Delphic Registration Code (Alpha Code)

CMSC

Test Code (Numeric Code)

1850

Laboratory Handling

Phlebotomy

  • Collect 1 x 2.7ml Citrate (Blue Cap) or 2 x 1.8ml Citrate (Light Blue Cap).
  • Paediatric: Collect 2 x 1ml Citrate Microtainer.
  • Tube must be adequately filled.

    Transport

  • Do Not Place on 8100.
  • Frozen samples are stored in the Specimen Freezer (No 35) in the Coagulation rack.
  • Partially thawed samples should be given directly to Coagulation staff.

    Registration

    Please register test code CMSC.

    Sample Stability

    Ambient (8 - 24°C) 8-hours
    -20°C 2-weeks

  • Associated Tests

    Synonyms

    Protein S

    Turnaround Time

    2 weeks

    This test may be vetted by the laboratory. Please include relevant clinical information on the request form to ensure appropriate tests are approved. See the 'Clinical Information' section below for more information on the indications for testing.

    Specimen Type

    • Whole Blood

    Specimen Requirements

    Tube/Container Type:

    Preferred
    • Citrate (Blue Cap)
    Acceptable
    • Please refer to Additional Information below
    • Citrate (Light Blue Cap)
    Preferred Sample Volume (ml)

    2.7

    Minimum Sample Volume (ml)

    2.7

    No of Samples Required

    1

    Paediatric Specimen Requirements

    Tube/Container Type:

    Preferred
    • Citrate (Microtainer)
    • Please refer to Additional Information below
    Preferred Sample Volume (ml)

    2

    Minimum Sample Volume (ml)

    2

    Pre-testing Requirements

    This test will not be performed without a Thrombophilia testing request form being received. This should be printed out, filled in with the appropriate indication marked and attached to the laboratory request form.
    Download Request Form Here.
    A prothrombin ratio is required for the interpretation of an abnormal result.
    If this is not provided by the referring laboratory, it will be performed at LabPlus.

    Additional Specimen Information

    Collect 1 x 2.7ml Citrate (Blue Cap) or 2 x 1.8ml Citrate (Light Blue Cap).
    Paediatric: Collect 2 x 1ml Citrate Microtainer.

    Last updated: 26/08/2026