White Cell Cystine (Blood)

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

BGA

Test Code (Numeric Code)

6290

Laboratory Handling

Phlebotomy

8 mL EDTA Whole Blood (Always Required). Microcollect specimens are unsuitable. Samples with clots are unsuitable.

Transport

Specimen must arrive up to Noon (12pm) prior to the weekend or a public holiday, and within 24h of collection to allow viable white cells to be harvested. Please urgently deliver to Biochemical Genetics along with a copy of the form.

Registration

BGA

Separating

Do not freeze or separate specimen.

Laboratory

LabPLUS Biochemical Genetics

Test Adds Requirement

Not available

Sample Stability

Sample should arrive at LabPlus within 24 hours

Synonyms

Cystine, cysteine

Turnaround Time

2 weeks

Test is available urgently if required contact laboratory on x22016 or via LabLink

Specimen Type

  • Whole Blood

Specimen Requirements

Tube/Container Type:

Preferred
  • EDTA (Lavender Cap)
Acceptable
  • EDTA (Lavender Cap)
Preferred Sample Volume (ml)

8

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • N/A
Acceptable
  • N/A

Pre-testing Requirements

Microcollect specimens are unsuitable. DO NOT FREEZE . Whole blood must be transported at room temperature and received in the laboratory within 24h of collection to ensure white cell viability and accurate results. Samples with clots are unsuitable .

We can accept samples up to NOON (12pm) prior to the weekend or a public holiday to allow for laboratory processing. Please inform laboratory on ext 22016 or via LabLink of specimen transport arrangements and an URGENT sticker is recommended.

Additional Specimen Information

Laboratory Notes:
Do not freeze or separate specimen.
Microcollection specimens are unsuitable.

Specimen must arrive in laboratory up to Noon (12pm) prior to the weekend or a public holiday, and within 24h of collection to allow viable white cells to be harvested.

Please urgently deliver to Biochemical Genetics along with a copy of the form.

Last updated: 19/08/2026