Activated Protein C Resistance (Blood)

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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.
  • Tubes must be adequately filled.

    Transport

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

    Registration

    Please register test code CMSC.

    Sample Stability

  • Fresh separated plasma: 8-hours at ambient (8-24°C) temperature.
  • -20°C (plasma): 4-weeks.

    • Associated Tests

    Synonyms

    APC
    APC resistance

    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
    • Please refer to Additional Information below
    • Citrate (Blue Cap)
    Acceptable
    • Please refer to Additional Information below
    • Citrate (Light Blue Cap)
    Preferred 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
    Acceptable
    • Please refer to Additional Information below
    • Citrate (Light Blue Cap)
    • Citrate (Blue Cap)
    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.

    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.
    Tubes must be adequately filled.

    Last updated: 26/08/2026