Lymphocyte Activity Profile

CPT: 86356; 86357; 86359; 86360
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Test Details

Limitations

This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).

Methodology

Flow cytometry

Specimen Requirements

Specimen

Whole blood

Volume

Fill tube(s) to capacity.

Container

Lavender-top (EDTA) tube and yellow-top (ACD-A) or (ACD-B) tube

Collection

Invert tube 8 to 10 times immediately after collection. To preserve cellular viability, draw specimen so it will arrive in the laboratory within 48 hours of collection. Indicate date and time of venipuncture on the tube(s) and on the test request form.

Storage Instructions

Maintain specimen at room temperature. Do not freeze or refrigerate.

Causes for Rejection

Specimen refrigerated or frozen; clotted specimen; hemolysis; contamination

Clinical Information

References

Bakesi JG, Grenier K, Roboz J, et al. CD8 lymphocyte subsets provide prognostic measure of HIV disease progression. Int Conf AIDS. 1990; 6:218. Abstract SB 528.
Grenier K, Bach BA, Campbell D, et al. Discordant expression of T-cell activation markers (HLA-DR, CD38, CD25, CD69) as indicators of cellular immune response to HIV infection. Int Conf AIDS. 1990; 6:141. Abstract SA 237.

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The LOINC® codes are copyright © 1994-2018, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf