Specimen Stability (for laboratory use only)
Lavender%20top%20(K2-EDTA).png
Collection Container
Lavender top (K2-EDTA)
Service Code:
Service code pending
Specimen Type:
Blood
Minimum Specimen Volume:
3 mL each
Specimen Type:
Bone marrow aspirate
Minimum Specimen Volume:
1 mL
Collection Instructions:
Submit one of the following: (Blood OR bone marrow aspirate) for P190 OR blood only for P210

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 aspirate collection:
1. Collect specimen into lavender top tube.
2. Gently invert the tube 8 - 10 times
3. Send specimen to the laboratory immediately.

2 EDTA tubes are required for each test.
If both P190 and P210 are both required, please collect and send the respective specimens in a total of 4 EDTA tubes.

Refer to testing laboratory test catalogue for more information:
https://nuhsingapore.testcatalog.org/show/922
Unacceptable Conditions:
N.A.
Specimen Stability:
Ambient
72 hours (preferred)
Performance
Turn Around Time:
2 - 14 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:
Measurement of p210 (b3a2 or b2a2) or the p190 fusion transcripts levels in patients with Chronic Myeloid Leukemia (CML) and/or Acute Lymphoblastic Leukemia (ALL) to establish baseline value, monitor treatment response and recurrence post-remission.
Methodology:
Real-time Reverse Transcription Polymerase Chain Reaction
Reference Interval:
See laboratory report
Critical Values:
N.A.