LOINCActiveBoth

LOINC Code 40996-1: A. alternata IgE/Total IgE (S) [%]

40996-1 is a LOINC code used to identify A. alternata IgE/Total IgE (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 Alternaria alternata Ab.IgE/IgE.total. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Alternaria alternata Ab.IgE/IgE.total. 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

  • Alternaria alternata IgE Ab/IgE total in Serum
  • Alternaria alternata Ab.IgE/IgE.total
  • %; A alternata; A tenuis; ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Alternaria tenuis; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; IgE total; Immune globulin E; Immunoglobulin E; m006; m6; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; Tot; Total IgE; Totl

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

A. alternata IgE/Total IgE (S) [%]Alternaria alternata IgE Ab/IgE total in SerumA alternata IgE/IgE total %Alternaria alternata Ab.IgE/IgE.totalALLERGYAlternaria alternata allergy testAFr

Frequently asked questions

Code details

Code40996-1
SystemLOINC
Display nameA. alternata IgE/Total IgE (S) [%]
DescriptionAlternaria alternata Ab.IgE/IgE.total
Short nameA alternata IgE/IgE total %
ComponentAlternaria alternata Ab.IgE/IgE.total
PropertyAFr
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example units% response
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.73

Consumer names

Alternaria alternata allergy test

Part names

Alternaria alternata Ab.IgE/IgE.totalAFrPtSerQnArbitrary fractionPoint 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 40996-1 | HealthAssure