LOINCActiveBoth

LOINC Code 51536-1: Egg white IgG Ql (S)

51536-1 is a LOINC code used to identify Egg white IgG Ql (S) 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 Egg white Ab.IgG. It is commonly used with the system or sample type Ser.

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 Egg white Ab.IgG. It is commonly used with the system or sample type Ser.

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

  • Egg white IgG Ab [Presence] in Serum
  • Egg white Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; f001; f1; Gf1; Immune globulin G; Immunoglobulin G; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR

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

Egg white IgG Ql (S)Egg white IgG Ab [Presence] in SerumEgg White IgG QlEgg white Ab.IgGALLERGYEgg white IgG antibodyPrThr

Frequently asked questions

Code details

Code51536-1
SystemLOINC
Display nameEgg white IgG Ql (S)
DescriptionEgg white Ab.IgG
Short nameEgg White IgG Ql
ComponentEgg white Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.56

Consumer names

Egg white IgG antibody

Part names

Egg white Ab.IgGPrThrPtSerOrdEgg White IgGPresence or ThresholdPoint in time (spot)Serum

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 51536-1 | HealthAssure