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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

CD4 Count (CD3, CD4, CD8)

Source Blood
Mnemonic CD4 (Note: CBC required if not already collected same day)
Specimen Requirements

Calgary Zone:
 -
Test cannot be collected by Mobile Collection Service (MCS).
 -
All HIV positive collections are done at:

  • Sheldon M. Chumir Health Centre (SMCHC) PSC (Monday to Friday between 07:00 and 15:50 - appointment recommended)
  • South Calgary Health Centre (SCHC) PSC (Monday to Friday between 07:00 and 17:00 - appointment recommended)
  • All Acute Care Hospital Out Patient Laboratories  

 - All non-HIV related requests (including dermatology patients) can be collected at any PSC. 

Adult:
1 x 4 mL lavender top EDTA tube, whole blood

Pediatric:
1 x 0.5 mL lavender top EDTA microcollection tube

Specimen Handling

Specimens submitted to CLS from within Alberta:
 -
Mix well. DO NOT refrigerate, centrifuge or freeze.
 - Deliver immediately to Flow Cytometry on next courier run.
 - HIV-related specimens from SMCHC or SCHC must be sent by TDG regulations.
 - All non-HIV related requests (including dermatology patient specimens) do not require TDG regulations.

Specimens submitted to CLS from outside Alberta:
 -
CBC/Diff required: fax CBC results to 403-270-4135.
 - DO NOT refrigerate, centrifuge or freeze samples. Ship at room temperature, using an overnight courier.
 - HIV-related specimens must be sent by TDG regulations. Please follow Flow Cytometry Shipping and Handling instructions when sending to CLS.

Additional Information Specimens submitted to CLS from outside Alberta: Use FC3200EP Flow Cytometry Out of Province Requisition.
For pricing and billing, refer to Flow Cytometry Billing and Pricing.
Testing Location Flow Cytometry
Testing Frequency

Monday - Saturday

Alternate Name(s) T4/T8 (all requests), Helper/Suppressor Lymphocyte
Reference Interval