LOINCActiveBoth

LOINC Code 4523-7: Complement iC3b receptors (WBC) [Entitic number]

4523-7 is a LOINC code used to identify Complement iC3b receptors (WBC) [Entitic number] 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 Complement iC3b receptors. It is commonly used with the system or sample type WBC.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Complement iC3b receptors. 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: ACTIVE
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Complement iC3b receptors [Entitic number] in Leukocytes
  • Complement iC3b receptors
  • Comp; Complmt; Entitic; Entitic number; HEMATOLOGY/CELL COUNTS; Leukocytes; Point in time; QNT; Quan; Quant; Quantitative; Random; Rec; Recept; Receptor; Recp; Recptr; 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

Complement iC3b receptors (WBC) [Entitic number]Complement iC3b receptors [Entitic number] in LeukocytesiC3b Recep EntNum WBCComplement iC3b receptorsHEM/BCComplement IC3b Receptors, White blood cellsEntNum

Frequently asked questions

Code details

Code4523-7
SystemLOINC
Display nameComplement iC3b receptors (WBC) [Entitic number]
DescriptionComplement iC3b receptors
Short nameiC3b Recep EntNum WBC
ComponentComplement iC3b receptors
PropertyEntNum
TimingPt
System (specimen)WBC
ScaleQn
ClassHEM/BC
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.26

Consumer names

Complement IC3b Receptors, White blood cells

Part names

Complement iC3b receptorsEntNumPtWBCQnEntitic numberPoint 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 4523-7 | HealthAssure