LOINCActiveBoth

LOINC Code 6021-0: Apple IgE Qn (S)

6021-0 is a LOINC code used to identify Apple IgE 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 Malus sylvestris Ab.IgE. 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 Malus sylvestris 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

  • Apple IgE Ab [Units/volume] in Serum
  • Malus sylvestris Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Apple; Arbitrary Concentration; Autoantibodies; Autoantibody; f049; f49; Immune globulin E; Immunoglobulin E; Point in time; Pyrus malus; QNT; Quan; Quant; Quantitative; Random; Serum; SR; UniversalLabOrders

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

Apple IgE Qn (S)Apple IgE Ab [Units/volume] in SerumApple IgE QnMalus sylvestris Ab.IgEALLERGYApple allergy testACnc

Frequently asked questions

Code details

Code6021-0
SystemLOINC
Display nameApple IgE Qn (S)
DescriptionMalus sylvestris Ab.IgE
Short nameApple IgE Qn
ComponentMalus sylvestris Ab.IgE
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitskIU/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0d
Last changed2.73

Consumer names

Apple allergy test

Part names

Malus sylvestris Ab.IgEACncPtSerQnApple (Malus sylvestris) IgEArbitrary 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 6021-0 | HealthAssure