CDOS

Lymphocyte Subset 6

Test Code: 820154

Performing Lab: LabCorp

CPT Code: 86357 001 86360 001 86359 001 86355 001 86356 002

Test Link (Copy)

Specimen Type

Whole blood

Specimen Container

Lavender-top (EDTA) tube, green-top (heparin) tube, hemogard tubes are preferred.

Volume

4 mL

Minimum Volume

0.5 mL

Specimen Handling

Specimens must be analyzed within 72 hours of collection in EDTA or within 48 hours in heparin. Some medications may affect immunophenotyping results and should be listed on the patient test request form. New York State Clients: Only EDTA specimens may be submitted and must be analyzed within 30 hours of collection. Only collect Monday - Thursday

Unacceptable Conditions

Pour-off tubes; refrigerated or frozen samples; samples older than noted stability; clotted or hemolyzed samples; samples collected in ACD yellow tubes.

Temperature

Room temperature

Methodology

Flow Cytometry

Stability

Room Temperature: 72 hours EDTA, 48 hours heparin NYS: 30 hours EDTA, 48 hours Heparin

Result Code	Result Name	LOINC
845748	% CD3	20599-7
816614	Absolute CD3	8122-4
820150	% CD4	8123-2
816615	Absolute CD4	24467-3
820151	% CD8	32518-3
816616	Absolute CD8	14135-8
820152	CD4:CD8 Ratio	54218-3
806332	% Natural Killer Cells	32519-1
816617	Absolute Natural Killer Cells	20604-5
820153	% CD19	20593-0
816618	Absolute CD19	15195-1
845737	% CD45RA	17157-9
816620	Absolute CD45RA	26759-1
845733	% CD45RO	26573-6
816619	Absolute CD45RO	34475-4
845755	Comment	UNLOINC

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