Specimen Stability (for laboratory use only)
Collection Container
Lavender top (K2-EDTA)
Collection Instructions:
1. Draw sufficient blood into lavender top tube.
2. Gently invert the tube 8 - 10 times.
3. Send specimen to the laboratory immediately.
2. Gently invert the tube 8 - 10 times.
3. Send specimen to the laboratory immediately.
Unacceptable Conditions:
Clotted
Less than 1 mL
Grossly haemolysed
Less than 1 mL
Grossly haemolysed
Specimen Stability:
Ambient
4 hours
Refrigerate
Frozen
Reflex Tests:
N.A.
Performance
Turn Around Time:
Stat: Without slide review: 45 minutes / With slide review: 75 minutes Routine: 4 hours
Days Test Performed:
Testing Laboratory:
Woodlands Hospital Laboratory Medicine and Pathology, Haematology
Clinical & Interpretative
Description:
Methodology:
Impedance, photometry and flow cytometry
Reference Interval:
Critical Values:
• Haemoglobin (g/L): <5.0
• Platelet (x10^9/L): <20
• Absolute neutrophil count (x10^9/L): <0.5
• Blasts/promyelocytes: Present
• Platelet (x10^9/L): <20
• Absolute neutrophil count (x10^9/L): <0.5
• Blasts/promyelocytes: Present
