Testing Laboratories
Waitematā | Northshore HospitalWaitematā | Waitakere Hospital
Department
Chemical Pathology
Delphic Registration Code (Alpha Code)
CRYF
Test Code (Numeric Code)
0981
Laboratory Handling
Phlebotomy
1. Get a heat pad from phleb outpatient room 2. Activate the heat pad. Promptly placing it upright and long ways along with side wall of the flask 3. Place the inner lid and outer lid on the flask and seal tightly 4. Record the heat pad activation time on request form 5. Pre-heat the sample tubes before collection 6. Send samples in flask to the lab via hand delivery within 30 mins after collection
Transport
Hand deliver to the laboratory
Separating
Do not use the centrifuge to separate the sample.
Laboratory
1. Check patient’s details on samples agains t the request form AND the heat pad activation time Recollect sample when – unlabelled/mismatch sample - no heat pad activation time - sample arrived in the lab 90mins AFTER heat pad activation time 2. Take out all tubes and place them in Biochemistry heat block for separation 3. Give a copy of request form to Biochemistry 4. Leave the gel pack inside the flask and return the flask to phlebotomy via Lamson (310 NSH/ 700 WTH)
Sample Stability
5 days
Synonyms
Cryofibronigen
Turnaround Time
5 days
Available from 08:00am to 04:00pm, 7 days a week
Specimen Type
- Plasma
- Serum
Specimen Requirements
Tube/Container Type:
Preferred
- EDTA (Lavender Cap)
- Plain (Red Top)
Acceptable
- EDTA (Lavender Cap)
- Plain (Red Top)
Preferred Sample Volume (ml)
16
Minimum Sample Volume (ml)
4
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- EDTA (Lavender Cap)
- Plain (Red Top)
Acceptable
- EDTA (Lavender Cap)
- Plain (Red Top)
Minimum Sample Volume (ml)
8
Additional Specimen Information
2x 4mL Plain (Red) and 2x 4mL EDTA (Purple) required for this test.
Last updated: 06/05/2026