What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 63330-5: Baker's yeast IgA IA Qn (Body fld)

Name: LOINC Code 63330-5: Baker's yeast IgA IA Qn (Body fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:42.802Z

63330-5 is a LOINC code used to identify Baker's yeast IgA IA Qn (Body fld) 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.IgA. It is commonly used with the system or sample type Body fld.

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.IgA. It is commonly used with the system or sample type Body fld.

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
Method: IA

What it does not mean

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

Key facts

Baker's yeast IgA Ab [Units/volume] in Body fluid by Immunoassay
Saccharomyces cerevisiae Ab.IgA
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; ASCA; Autoantibodies; Autoantibody; B/F; Bakers yeast; Baker's yeast; BF; bod; Bodies; Body fluid; Body fluid, unsp; EIA; ELFA; ELISA; Enzyme immunoassay; f045; f403; f45; Fl; Fld; FLU; Fluid; IAA; Immune globulin A; Immunoglobulin A; MEIA; Point in time; QNT; Quan; Quant; Quantitative; Random; SCA; 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 IgA IA Qn (Body fld)Baker's yeast IgA Ab [Units/volume] in Body fluid by ImmunoassayBaker's yeast IgA Fld Qn IASaccharomyces cerevisiae Ab.IgAALLERGYBaker's yeast IgA antibody, Body fluidACnc

Frequently asked questions

Code details

Code63330-5

SystemLOINC

Display nameBaker's yeast IgA IA Qn (Body fld)

DescriptionSaccharomyces cerevisiae Ab.IgA

Short nameBaker's yeast IgA Fld Qn IA

ComponentSaccharomyces cerevisiae Ab.IgA

PropertyACnc

TimingPt

System (specimen)Body fld

ScaleQn

MethodIA

ClassALLERGY

Example unitsIU/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.70

Consumer names

Baker's yeast IgA antibody, Body fluid

Part names

Saccharomyces cerevisiae Ab.IgAACncPtBody fldQnIABaker's yeast (Saccharomyces cerevisiae) IgAArbitrary ConcentrationPoint in time (spot)Body fluidImmunoassay

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.