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 43691-5: Cladosporium sp IgE Ql (S)

Name: LOINC Code 43691-5: Cladosporium sp IgE Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:29.264Z

43691-5 is a LOINC code used to identify Cladosporium sp IgE 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 Cladosporium sp 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 Cladosporium sp 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: ACTIVE
Order vs observation: Both

What it does not mean

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

Key facts

Cladosporium sp IgE Ab [Presence] in Serum
Cladosporium sp Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Hormodendrum; Immune globulin E; Immunoglobulin E; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; species; spp; 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

Cladosporium sp IgE Ql (S)Cladosporium sp IgE Ab [Presence] in SerumCladosporium IgE QlCladosporium sp Ab.IgEALLERGYCladosporium sp allergy testPrThr

Frequently asked questions

Code details

Code43691-5

SystemLOINC

Display nameCladosporium sp IgE Ql (S)

DescriptionCladosporium sp Ab.IgE

Short nameCladosporium IgE Ql

ComponentCladosporium sp Ab.IgE

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

ClassALLERGY

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.56

Consumer names

Cladosporium sp allergy test

Part names

Cladosporium sp Ab.IgEPrThrPtSerOrdCladosporium sp IgEPresence 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.