Lymphocyte Subsets (Blood)

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Haematology

Delphic Registration Code (Alpha Code)

LYM

Test Code (Numeric Code)

7725

Laboratory Handling

Phlebotomy

  • Routine Service: Monday to Friday.
  • Limited service on a Saturday. Samples must be received at LabPlus by 11am on a Saturday. Samples received after this time will not be tested.
  • This service will not be available on a public holiday, or weekends associated with public holidays.
  • For weekdays prior to a public holiday, specimens must be received at LabPlus by 2pm to allow testing.
  • Request for urgent testing outside these hours must be approved by the laboratory Immunologist on-call.

    Transport

    Transport at ambient temperature (8-24°C).
    Do not spin.

    Registration

    Please register test code LYM.

    Test Adds Requirement

  • Unspun heparin (preferred) or EDTA blood sample <30-hours post collect. Minimum volume 1ml.
  • Paediatric micro-samples minimum volume 0.5ml.

    Sample Stability

  • Heparin blood samples: 48-hours.
  • EDTA blood samples: 24-hours.

    • Synonyms

    T and B cell markers
    Immune Deficiency Markers

    Turnaround Time

    2 days

    Specimen Type

    • Whole Blood

    Specimen Requirements

    Tube/Container Type:

    Preferred
    • Please refer to Additional Information below
    • Lithium Heparin - Non-gel (Green Cap)
    Acceptable
    • EDTA (Lavender Cap)
    Preferred Sample Volume (ml)

    2

    Minimum Sample Volume (ml)

    1

    Paediatric Specimen Requirements

    Tube/Container Type:

    Preferred
    • Please refer to Additional Information below
    • Lithium Heparin - Non-gel (Green Cap)
    Acceptable
    • EDTA (Microtainer)
    • Heparin (Microtainer)
    • Lithium Heparin PST- Gel (Light Green Cap)
    Preferred Sample Volume (ml)

    1

    Minimum Sample Volume (ml)

    0.5

    Additional Specimen Information

  • Routine Service: Monday to Friday
  • Limited service on a Saturday. Samples must be received at LabPlus by 11am on a Saturday. Samples received after this time will not be tested.
  • This service will not be available on a public holiday, or weekends associated with public holidays.
  • For weekdays prior to a public holiday, specimens must be received at LabPlus by 2pm to allow testing.
  • Request for urgent testing outside these hours must be approved by the laboratory Immunologist on-call.

    • Last updated: 04/05/2026