Mar 29, 2015




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Flow Cytometry

Flow Cytometry, CD34

Flow Cytometry, CD34 (HCABCD34) Flow Cytometry Lab Test

Name: Flow Cytometry, CD34

Test Name: Flow Cytometry, CD34

Health Link Test Code: HCABCD34

LIS Test Code: ABCD34

CPT Code(s): 86367

Test Component:

Percent and absolute number of CD34 cells in peripheral blood

Methodology: Flow Cytometry

Clinical Information:

For determining CD34 level in peripheral blood prior to apheresis collection.

Days Performed: Mon-Fri, dayshift.

In-Lab Turnaround Time: 1 day.

Specimen: Blood

Collection Container: Lavender top

Collection Instructions:

An order for a WBC and differential must accompany request.


Outside clients should send WBC and differential results along with specimen. If no results accompany request, a WBC and differential will be added (see transport and limitations for more information).

Collection Volume: 4 mL

Pediatric Collection Volume: 1 mL

Stability Ambient:

6 hours

Stability Refridgerated:

Not acceptable

Stability Frozen:

Not acceptable

Sample Analyzed: Whole Blood

Testing Volume: 1 mL

Pediatric Testing Volume: 0.5 mL

Specimen Processing:

Keep specimen at room temperature. Do NOT centrifuge tube.

Specimen Transport:

Transport unopened tube at room temperature to UWHC Hospital Laboratory within 6 hours of collection. Maintain ambient temperature during transport. If sending WBC and differential results, specimen must be received within 8 hours of collection.

Unacceptable Criteria:

Hemolyzed, clotted, frozen or overheated specimens are not acceptable. Samples greater than 24 hours old at time of analysis are not acceptable.

Additional Information:

This test was developed and its performance characteristics determined by the UWHC Clinical Laboratories. This test meets the standards for clinical testing. This test should not be regarded as investigational or for research use. The US Food and Drug Administration (FDA) has not approved or cleared this test; however, the FDA has determined that such clearance or approval is not necessary.