Specimen Stability (for laboratory use only)
Collection Container
Lavender top (K2-EDTA)
Service Code:
LBC11206
Collection Instructions:
Submit one of the following: Blood OR bone marrow aspirate
For blood collection:
1. Draw sufficient blood into 2 lavender top tubes.
2. Gently invert the tubes 8 - 10 times.
3. Send specimen to the laboratory immediately.
For bone marrow collection:
1. Collect bone marrow into lavender top tube.
2. Gently invert the tube 8 - 10 times.
3. Send specimen to the laboratory immediately.
Refer to testing laboratory test catalogue for more information:
https://nuhsingapore.testcatalog.org/show/FNCE
For blood collection:
1. Draw sufficient blood into 2 lavender top tubes.
2. Gently invert the tubes 8 - 10 times.
3. Send specimen to the laboratory immediately.
For bone marrow collection:
1. Collect bone marrow into lavender top tube.
2. Gently invert the tube 8 - 10 times.
3. Send specimen to the laboratory immediately.
Refer to testing laboratory test catalogue for more information:
https://nuhsingapore.testcatalog.org/show/FNCE
Unacceptable Conditions:
N.A.
Specimen Stability:
Ambient
7 days
Refrigerate
Frozen
Performance
Turn Around Time:
21 days
Days Test Performed:
Testing Laboratory:
Blood (whole blood and plasma): Singapore General Hospital (SGH); Bone marrow and others: National University Hospital (NUH), Molecular Diagnosis Centre
Clinical & Interpretative
Description:
Methodology:
Polymerase chain reaction, Fragment Analysis, DNA sequencing
Reference Interval:
See laboratory report
Critical Values:
N.A.

