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CD4 ONLY PANEL

Mnemonic

F CD4

Synonym

CD4 - CD4 Panel - Immunophenotyping

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 at room temperature. Must be received in the lab within 12 hours of collection. CBC must be run within 12 hours and Flow testing must be run within 5 days.

Preferred Volume

Two lavender EDTA tubes; one each, 4.0 mL and 2.0 mL EDTA tube, minimum ½ full

Minimum Volume

1.0 mL whole blood

Transport

Room temperature

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; CBC stable 12 hours.

Refrigerated and Frozen: Unacceptable.

Testing Information

Performed

Mon - Fri except holidays. Specimens must arrive in lab by 6:00 pm on Friday and the eve of a holiday.

Reported

Within 24 hours of collection

Method

Flow Cytometry

Reference Values

Reference Values

CD3+CD4+%:                       38-65
ABSOLUTE CD3+CD4+:     510-1835/µL

Comments

Results include Antibody Specificity

CPT Codes

86361, 85025

Last Updated: Thursday, January 5, 2017 03:40:43 AM


Client Services: 503-413-1234