LOINCActiveObservation

LOINC Code 112183-9: Baker's yeast IgE IA Qn

112183-9 is a LOINC code used to identify Baker's yeast IgE IA Qn 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 Saccharomyces cerevisiae Ab.IgE. It is commonly used with the system or sample type Ser/Plas.

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 Saccharomyces cerevisiae Ab.IgE. It is commonly used with the system or sample type Ser/Plas.

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: Observation
  • Method: IA

What it does not mean

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

Key facts

  • Baker's yeast IgE Ab [Units/volume] in Serum or Plasma by Immunoassay
  • Saccharomyces cerevisiae Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; ASCA; Autoantibodies; Autoantibody; Bakers yeast; Baker's yeast; EIA; ELFA; ELISA; Enzyme immunoassay; f045; f403; f45; IAA; Immune globulin E; Immunoglobulin E; MEIA; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SCA; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; SUDS; Yeast

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

Baker's yeast IgE IA QnBaker's yeast IgE Ab [Units/volume] in Serum or Plasma by ImmunoassayBaker's yeast IgE Qn IASaccharomyces cerevisiae Ab.IgEALLERGYBaker's yeast allergy test, BloodACnc

Frequently asked questions

Code details

Code112183-9
SystemLOINC
Display nameBaker's yeast IgE IA Qn
DescriptionSaccharomyces cerevisiae Ab.IgE
Short nameBaker's yeast IgE Qn IA
ComponentSaccharomyces cerevisiae Ab.IgE
PropertyACnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
MethodIA
ClassALLERGY
Example unitskUA/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Baker's yeast allergy test, Blood

Part names

Saccharomyces cerevisiae Ab.IgEACncPtSer/PlasQnIABaker's yeast (Saccharomyces cerevisiae) IgEArbitrary ConcentrationPoint in time (spot)Serum or PlasmaImmunoassay

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 112183-9 | HealthAssure