T-cell subsets CD4 and CD8 panel - Blood   65759-3

LOINC Code


LOINC code65759-3
nameT-cell subsets CD4 and CD8 panel - Blood
descriptionIn this test panel both CD3+ and CD4+ are required to recognize CD4 T cells (helper cells), and both CD3+ and CD8+ to recognize CD8 T cells (suppressor cells). The measurement of Helper T-cell levels has been used to establish decision points for initiating P. jiroveci prophylaxis, antiviral therapy and to monitor the efficacy of treatment. The Public Health Service (PHS) has recommended that Helper T-cell levels be monitored every three to six months in all HIV-infected persons. During HIV infection, antiviral therapy is often initiated when the absolute CD4 T cell count drops below 500 cells/µL. When the absolute CD4 T cell count drops below 200 cells/µL, therapeutic prophylaxis against PCP and other opportunistic infections may be initiated. When the absolute CD4 T cell count drops below 100 cells/µL, prophylaxis against Mycobacterium avium complex is recommended. (from ARUP, modified)
statusACTIVE

Fully-Specified Name

componentT-cell subsets CD4 & CD8 panel
property-
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemBld  =  Whole blood
scale-
method

Additional Names

short nameT-cell subsets CD4+CD8 pnl Bld

Basic Attributes

classPANEL.CELLMARK
type1  Laboratory
order vs. observationOrder

Panel Components

26474-7Lymphocytes [#/volume] in Blood
27071-0CD45 (Lymphs) cells [#/volume] in Blood
8122-4CD3 cells [#/volume] in Blood
8124-0CD3 cells/100 cells in Blood
24467-3CD3+CD4+ (T4 helper) cells [#/volume] in Blood
8123-2CD3+CD4+ (T4 helper) cells/100 cells in Blood
14135-8CD3+CD8+ (T8 suppressor) cells [#/volume] in Blood
8101-8CD3+CD8+ (T8 suppressor) cells/100 cells in Blood
54218-3CD3+CD4+ (T4 helper) cells/CD3+CD8+ (T8 suppressor cells) cells [# Ratio] in Blood

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

History/Usage

test rank2356 of 2000 most commonly performed tests by labs in USA
order rank196 of 2000 most commonly ordered tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name

Related Names

Blood
CELL MARKERS
Helper T cells
Inducer T cells
L3T4
Leu2
Leu-2
Leu3
Leu-3
Pan
PANEL.CELLMARK
Panl
Pnl
Point in time
Random
Suppressor T cells
T cell
T prime
T4
T-4
T8
T-8
T-cell subsets CD4+CD8 pnl
Tsuppressor
UCHL-1
UniversalLabOrders
W3/25
WB
Whole blood

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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