Specimen Stability (for laboratory use only)
Collection Container
Green top (lithium heparin)
Service Code:
LBC08015
Collection Instructions:
1. Draw sufficient blood into green top tube (Lithium Heparin)
2. Gently invert the tube 5 times.
3. Protect specimen from light with aluminium foil.
4. Send specimen to the laboratory immediately.
Refer to testing laboratory test catalogue for more information:
https://nuhsingapore.testcatalog.org/show/Methotrexate--1
2. Gently invert the tube 5 times.
3. Protect specimen from light with aluminium foil.
4. Send specimen to the laboratory immediately.
Refer to testing laboratory test catalogue for more information:
https://nuhsingapore.testcatalog.org/show/Methotrexate--1
Unacceptable Conditions:
Specimen not protected from light.
Specimen Stability:
Ambient
Not centrifuged: 2 hours
Refrigerate
Frozen
Performance
Turn Around Time:
1 day
Days Test Performed:
Testing Laboratory:
National University Hospital (NUH), Clinical Chemistry
Clinical & Interpretative
Description:
Methodology:
Chemiluminescent Microparticle Immunoassay (CMIA)
Reference Interval:
See laboratory report
Critical Values:
N.A.
