We use cookies to help us improve the website and your experience using it. You may delete and block all cookies from this site at any time. However, please note this may result in parts of the site no longer working correctly. If you continue without changing your settings we will assume you are happy to receive all cookies on this site.


CD34 (Stem cells)

General information

Specimen transport: At room temperature

Repeat frequency: Each day or stem cell harvest

Special precautions: Immunology should be notified that a CD34 stem cell count is urgent and when to expect the sample.

Laboratory information

Normal reference range: Percentage and absolute counts

Volume and sample type: Peripheral blood stem cell harvest or 5mls bone marrow in heparin and tissue culture medium

Method: Flow cytometry

Turnaround time (calendar days from sample receipt to authorised result): Median - 2, 95th percentile - 3

Clinical information

Indications for the test: Transplantation

Factors affecting the test: None


Clinical workstation reference: CD34


(Last updated October 7th 2014)