Geisinger Medical Laboratories Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  


Geisinger Epic Procedure Code: LAB1967             Geisinger Epic ID: 17604

Specimen type:
Whole blood, micro vial containing apheresis product, micro vial containing filtered bone marrow for harvest
Preferred collection container:
Specimen required:
Properly drawn K2 EDTA tube of whole blood or a sterile container (micro vial preferred) containing apheresis or filtered bone marrow product. Minimum volume 1 mL.
Special notes:
TO BE SCHEDULED IN ADVANCE - CALL FLOW LAB, 570-271-5261. Specimen must be delivered to the laboratory immediately. This test is for patients being evaluated for stem cell transplant.

Specimen processing instructions:
Samples must be processed within 4 hours.
Do not centrifuge or refrigerate. 
Transport temperature:
Room temperature.
Specimen stability:
24 hours for blood, 4 hours for apheresis and filtered bone marrow product.
Rejection criteria:
Specimen stability exceeded, clumped, clotted, hemolyzed.

Reference interval:
Not applicable. CD34 count reported. Standard reference ranges are not applicable. CD34 stem cell enumeration is performed for transplant purposes. For further information contact Donor Services at 570-271-8959.
CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
CD34 absolute count, CD34 pecent (%), Apheresis and filtered bone marrow product includes a viability (%), and unit number.
Flow Cytometry
CD34 Count, CD34 Total Count, CD34 Absolute Count, CD34A
Stem cell count
Clinical significance:
The measurement of CD34 stem cells is intended for patients who are preparing for autologous or allogenic stem cell transplants.
Doctoral Director(s:)
Kai Zhang M.D.    
Review Date: 12/14/2022

Performing Locations

Geisinger Medical Center

Performing laboratory: Flow Cytometry
Technical Lead: Sandra Kelsey
Frequency: Monday - Friday, 1st shift.
Performed STAT? No
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