89312-3

LOINC Code


LOINC code89312-3
name
descriptionThe total concentration of CD3+ CD45+ cells. Natural killer T (NKT) cells are gated on CD45+ CD3+ cells, whereas natural killer (NK) CD16+ and CD56+ cell subsets are derived from CD45+ CD3- cell gate. NKT cells are a unique subset of T cells that also express NK receptors. Unlike NK cells, they develop in the thymus and express a T cell receptor.
statusACTIVE

Fully-Specified Name

componentCells.CD3+CD45+
propertyNCnc  =  Number Concentration (count/vol)
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
scaleQn  =  Quantitative:  The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256
method

Additional Names

short name#; ABS; absolute; absolutes; B220; Blood; CD3 Cells; CD3+CD45+ Cells; CD3-CD45+ cells; CD45R; CD45RA; CD45RB; CD45RC; CD45RO; Cell; CELL MARKERS; Cellularity; Cnt; Count; Count/volume; CT; LCA; Leu4; Leu-4; Leukocyte common antigen; Ly5; Number concentrat

Basic Attributes

classCELLMARK
type1  Laboratory
order vs. observationCD3+CD45+ Cells
example UCUM unitscells/uL
The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org)

History/Usage

first released
last updated2.64
last change typeADD  - added
change reason{cells}/uL

Related Names



Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, 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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