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 7220-7: Horse Chestnut IgE Qn (S)

Name: LOINC Code 7220-7: Horse Chestnut IgE Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

7220-7 is a LOINC code used to identify Horse Chestnut 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 Aesculus hippocastanum 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 Aesculus hippocastanum 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

Horse Chestnut IgE Ab [Units/volume] in Serum
Aesculus hippocastanum Ab.IgE
ABS; Aby; Aesculus x carnea; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Horse chestnut; Immune globulin E; Immunoglobulin E; Point in time; QNT; Quan; Quant; Quantitative; Random; Rt203; Serum; SR; t203

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Horse Chestnut IgE Qn (S) (7220-7)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Horse Chestnut IgE Qn (S)Horse Chestnut IgE Ab [Units/volume] in SerumHorse Chestnut IgE QnAesculus hippocastanum Ab.IgEALLERGYHorse chestnut allergy testACnc

Frequently asked questions

Code details

Code7220-7

SystemLOINC

Display nameHorse Chestnut IgE Qn (S)

DescriptionAesculus hippocastanum Ab.IgE

Short nameHorse Chestnut IgE Qn

ComponentAesculus hippocastanum 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 released1.0h(2)

Last changed2.42

Consumer names

Horse chestnut allergy test

Part names

Aesculus hippocastanum Ab.IgEACncPtSerQnHorse Chestnut (Aesculus hippocastanum) 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.