Prothrombin Ratio (Blood)

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Haematology

Delphic Registration Code (Alpha Code)

PR

Test Code (Numeric Code)

1154

Laboratory Handling

Phlebotomy

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

    Transport

  • Hand deliver transparent/clear top Citrate tubes to Coagulation section - DO NOT PLACE ON 8100.

    Registration

    Please register test code HS1.

    Sample Stability

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

    • Associated Tests

    Synonyms

    PR

    Turnaround Time

    2 hours

    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)
    Preferred Sample Volume (ml)

    1

    Minimum Sample Volume (ml)

    1

    Additional Specimen Information

    Collect 1 x 2.7ml Citrate (Blue Cap) or 1 x 1.8ml Citrate (Light Blue Cap).

    Last updated: 26/08/2026