LOINC

LOINC Code 5452-8: CD23 Qn (WBC)

5452-8 is a LOINC code used to identify CD23 Qn (WBC) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component CD23. It is commonly used with the system or sample type WBC.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component CD23. It is commonly used with the system or sample type WBC.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: DEPRECATED

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Deprecated CD23 in Blood
  • CD23
  • Arbitrary concentration; B6; B-6; BLAST-2; CELL MARKERS; FceRII; Leu20; Leu-20; Leukocytes; Low affinity IgE receptor; Point in time; QNT; Quan; Quant; Quantitative; Random; WBCs; White blood cells

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

CD23 Qn (WBC)Deprecated CD23 in BloodDeprecated CD23 WBC-aCncCD23CELLMARKCD23, White blood cellsACnc

Frequently asked questions

Code details

Code5452-8
SystemLOINC
Display nameCD23 Qn (WBC)
DescriptionCD23
Short nameDeprecated CD23 WBC-aCnc
ComponentCD23
PropertyACnc
TimingPt
System (specimen)WBC
ScaleQn
ClassCELLMARK
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.69

Consumer names

CD23, White blood cells

Part names

CD23ACncPtWBCQnArbitrary ConcentrationPoint in time (spot)White blood cells

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 5452-8 | HealthAssure