Erythroblast count

Clinical information

Diagnostic Utility:

This test is used to quantify erythroblasts, which are precursor cells of erythrocytes, in a blood sample. It is a determination used to characterise units of umbilical cord blood or bone marrow samples, among other applications.

Method: 

The Sysmex XN counter uses Flow Cytometry and Hydrodynamic Focusing methods.

Reference values:

The results are quantitative and expressed as x10^6/mL.
Reference values depend on the type of sample analysed.

Diagnostic Algorithm:

Not applicable.

Turnaround Time:

1 day.

Specimen information

Sample: Peripheral blood, umbilical cord blood, bone marrow, apheresis, etc.
Tube: EDTA K3 tube (peripheral blood) or additive-free tube (anticoagulated samples).
Minimum volume: 1 mL
Stability:

• At room temperature: 1 day
• In refrigeration: 1 day

Transport instructions: Peripheral blood preferably at room temperature; umbilical cord blood, bone marrow, apheresis refrigerated.
Reason for rejection: Sample very hemolyzed or with clots.

Administrative information

BST Code: CEL003
Test Description: Erythroblasts
Synonyms: Erythroblast count
Section: Cellular Laboratory
BST Rate: Check updated rates here.
Profiles:

The CEL004 Erythroblasts test can be requested alone. It is also performed within the following profiles:

References

• FACT-JACIE International Standards for Cellular Therapy Product Collection, Processing, and Administration.
• NETCORD-FACT International Standards for Cord Blood Collection, Banking, and Release for Administration.