LOINCBoth

LOINC Code 4496-6: Complement C3d-C3d+Gg-IC3b receptors Ql (WBC)

4496-6 is a LOINC code used to identify Complement C3d-C3d+Gg-IC3b receptors Ql (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 Complement C3d-C3d+Gg-IC3b receptors. 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 Complement C3d-C3d+Gg-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: DEPRECATED
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Deprecated Complement C3d-C3d+Gg-IC3b receptors [Presence] in Leukocytes
  • Complement C3d-C3d+Gg-IC3b receptors
  • Comp; Complement receptor type 2; Complmt; CR 2; HEMATOLOGY/CELL COUNTS; Leukocytes; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Rec; Recept; Receptor; Recp; Recptr; Screen; 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 C3d-C3d+Gg-IC3b receptors Ql (WBC)Deprecated Complement C3d-C3d+Gg-IC3b receptors [Presence] in LeukocytesDeprecated C3d-C3d+Gg-iC3b Recep WBC QlComplement C3d-C3d+Gg-IC3b receptorsHEM/BCComplement C3d-C3d+Gg-IC3b Receptors, White blood cellsPrThr

Frequently asked questions

Code details

Code4496-6
SystemLOINC
Display nameComplement C3d-C3d+Gg-IC3b receptors Ql (WBC)
DescriptionComplement C3d-C3d+Gg-IC3b receptors
Short nameDeprecated C3d-C3d+Gg-iC3b Recep WBC Ql
ComponentComplement C3d-C3d+Gg-IC3b receptors
PropertyPrThr
TimingPt
System (specimen)WBC
ScaleOrd
ClassHEM/BC
StatusDEPRECATED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.65

Consumer names

Complement C3d-C3d+Gg-IC3b Receptors, White blood cells

Part names

Complement C3d-C3d+Gg-IC3b receptorsPrThrPtWBCOrdPresence or ThresholdPoint 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 4496-6 | HealthAssure