CD4 ONLY PANEL

Mnemonic

CD4

Synonym

CD4 - CD4 Panel – Immunophenotyping - CD4 (T CELL) – T Helper Cells – Helper T -Cell Level -  Helper T -Cell and absolutes

Includes

CBC with percentage and absolute numbers of lymphocytes and helper T-cells

Specimen Collection Requirements

Collect

Whole Blood, one 4.0 mL lavender (Flow) AND one 2.0 mL lavender (Hematology) EDTA top tube; minimum ½ full

Handling

Store Ambient (20-25°C). 

Preferred Volume

4.0 mL lavender (EDTA) top tube must contain between 2.0 - 4.0 mL whole blood.

2.0 mL lavender (EDTA) top tube must contain between 1.0 - 2.0 mL whole blood.

Minimum Volume

Whole Blood, lavender (EDTA) top tube must be filled to a minimum of 1/2 of the maximum sample volume

  • 4.0 mL tube must have 2.0 mL of blood minimum
  • 2.0 mL tube must have 1.0 mL of blood minimum
  • Micro lavender (EDTA) top container must be filled between the minimum and maximum fill lines

Transport

Ambient (20-25°C)

Rejection Criteria

Specimens more than five days old (ambient); refrigerated, clotted, hemolyzed or frozen.

Note: CBC rejection criteria differs, refer to entry for CBC.

Stability

Ambient (20-25°C) – CD4 Only Panel, stable 5 days.

Note: CBC rejection criteria differs, refer to entry for CBC.

Testing Information

Performed

Monday - Friday except holidays.

Reported

Monday -Friday except holidays, 24-48 hours from receipt in Flow Lab

Method

Flow Cytometry

Reference Values

Reference Values

Comments

Results include Antibody Specificity

CPT Codes

86361, 85025

Last Updated: Thursday, January 5, 2017 03:42:02 AM