LOINCActiveBoth

LOINC Code 56785-9: Baker's yeast Ab Qn (S)

56785-9 is a LOINC code used to identify Baker's yeast Ab 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 Saccharomyces cerevisiae Ab. 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 Saccharomyces cerevisiae Ab. 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

  • Baker's yeast Ab [Units/volume] in Serum
  • Saccharomyces cerevisiae Ab
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; ASCA; Autoantibodies; Autoantibody; Bakers yeast; Baker's yeast; f045; f403; f45; Point in time; QNT; Quan; Quant; Quantitative; Random; SCA; Serum; SR; 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 Ab Qn (S)Baker's yeast Ab [Units/volume] in SerumBaker's yeast Ab QnSaccharomyces cerevisiae AbALLERGYBaker's yeast antibodyACnc

Frequently asked questions

Code details

Code56785-9
SystemLOINC
Display nameBaker's yeast Ab Qn (S)
DescriptionSaccharomyces cerevisiae Ab
Short nameBaker's yeast Ab Qn
ComponentSaccharomyces cerevisiae Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.69

Consumer names

Baker's yeast antibody

Part names

Saccharomyces cerevisiae AbACncPtSerQnBaker's yeast (Saccharomyces cerevisiae) AbArbitrary 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.

LOINC Code 56785-9 | HealthAssure