LOINCBoth

LOINC Code 7783-4: Yeast bakers IgE Qn (S)

7783-4 is a LOINC code used to identify Yeast bakers IgE Qn (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 Yeast bakers Ab.IgE. It is commonly used with the system or sample type Ser.

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 Yeast bakers Ab.IgE. 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: DEPRECATED
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Deprecated Bakers Yeast IgE Ab [Units/volume] in Serum
  • Yeast bakers Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Immune globulin E; Immunoglobulin E; Point in time; QNT; Quan; Quant; Quantitative; Random; Saccharomyces cerevisiae; Sacchromyces sp; 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

Yeast bakers IgE Qn (S)Deprecated Bakers Yeast IgE Ab [Units/volume] in SerumDeprecated Bakers Yeast IgE QnYeast bakers Ab.IgEALLERGYYeast Bakers allergy testACnc

Frequently asked questions

Code details

Code7783-4
SystemLOINC
Display nameYeast bakers IgE Qn (S)
DescriptionYeast bakers Ab.IgE
Short nameDeprecated Bakers Yeast IgE Qn
ComponentYeast bakers Ab.IgE
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitskIU/L
StatusDEPRECATED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.54

Consumer names

Yeast Bakers allergy test

Part names

Yeast bakers Ab.IgEACncPtSerQnArbitrary ConcentrationPoint 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.