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.

LOINCBoth

LOINC Code 7378-3: Tall oat grass IgE Qn (S)

Name: LOINC Code 7378-3: Tall oat grass IgE Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:52.636Z

7378-3 is a LOINC code used to identify Tall oat grass 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 Grass tall oat 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 Grass tall oat 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: DEPRECATED
Order vs observation: Both

What it does not mean

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

Key facts

Deprecated Tall oat grass IgE Ab [Units/volume] in Serum
Grass tall oat Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Grasses; Grs; Immune globulin E; Immunoglobulin E; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; Tall oat grass

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

Tall oat grass IgE Qn (S)Deprecated Tall oat grass IgE Ab [Units/volume] in SerumDeprecated Tall oat grass IgE QnGrass tall oat Ab.IgEALLERGYTall oat grass allergy testACnc

Frequently asked questions

Code details

Code7378-3

SystemLOINC

Display nameTall oat grass IgE Qn (S)

DescriptionGrass tall oat Ab.IgE

Short nameDeprecated Tall oat grass IgE Qn

ComponentGrass tall oat Ab.IgE

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassALLERGY

Example unitskIU/L

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0h(2)

Last changed2.44

Consumer names

Tall oat grass allergy test

Part names

Grass tall oat Ab.IgEACncPtSerQnArbitrary 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.