Specimen Stability (for laboratory use only)
Collection Container
Red top (no additive)
Collection Instructions:
Collect blood in pre-warmed red top tube and keep at 37˚C.
1. Draw sufficient blood into red top tube.
2. Gently invert the tube 5 times.
3. Send specimen to the laboratory immediately.
Refer to testing laboratory test catalogue for more information:
https://nuhsingapore.testcatalog.org/show/CGB
1. Draw sufficient blood into red top tube.
2. Gently invert the tube 5 times.
3. Send specimen to the laboratory immediately.
Refer to testing laboratory test catalogue for more information:
https://nuhsingapore.testcatalog.org/show/CGB
Unacceptable Conditions:
Specimen kept refrigerated prior to testing will be rejected.
Specimen Stability:
Ambient
Not centrifuged: 2 hours
Performance
Turn Around Time:
1 week
Days Test Performed:
Testing Laboratory:
National University Hospital (NUH), Transfusion Services
Clinical & Interpretative
Description:
Screen for presence of abnormal globulins in conditions such as systemic lupus erythematosus, myeloma & lymphoma.
Methodology:
Precipitation of cryoglobulin at 4˚C.
Reference Interval:
See laboratory report
Critical Values:
N.A.
