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Labcorp Oklahoma, Inc.
Test Directory


Index:

B and T Lymphocyte Plus NK Quant by Flow

Order Name Flow ImmPheno NK
Test Number: 5582615
Revision Date 05/24/2023
Test Name Methodology LOINC Code
B and T Lymphocyte Plus NK Quant by Flow
Flow cytometry  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5 mL each (3 mL each) Whole Blood EDTA (Lavender) and ACD Sol A/B (Yellow Top) Room Temperature
Instructions Collect Whole blood in Both ACD Solution A or B (Yellow Top) and EDTA (Lavender Top).
Keep whole blood, do not centrifuge or refrigerate.
Deliver to the laboratory ASAP - Same Day as Collection!
Collect Monday through Wednesday only. Specimens must be received at Labcorp Oklahoma Inc. by Wednesday afternoon or collect on Monday.
Stability:  Room Temperature:  Yellow-top (ACD-A) or (ACD-B) tube: Lavender-top (EDTA) tube: 1 day
GENERAL INFORMATION
Testing Schedule Testing schedule may vary. 
Expected TAT Expected TAT, 3-5 days,  
Clinical Use This test is also known as: Lymphocyte Plus NK Quant by Flow or Flow Immunophenotype Panel.
This is a semi-quantitative assay that measures both the relative and absolute numbers of B cells, T cells, and NK cells in the peripheral blood, which may be useful in the initial evaluation of patients with suspected immunodeficiency. 
Performing Labcorp Test Code 505370 
CPT Code(s) 86355; 86357; 86359; 86360
Lab Section Reference Lab