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 24515-9: Sweet vernal grass+Bermuda grass+Perennial rye grass+Timothy+Johnson grass IgE Multidisk Qn (S)

Name: LOINC Code 24515-9: Sweet vernal grass+Bermuda grass+Perennial rye grass+Timothy+Johnson grass IgE Multidisk Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:13.166Z

24515-9 is a LOINC code used to identify Sweet vernal grass+Bermuda grass+Perennial rye grass+Timothy+Johnson grass IgE Multidisk 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 (Anthoxanthum odoratum+Cynodon dactylon+Lolium perenne+Phleum pratense+Sorghum halepense) 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 (Anthoxanthum odoratum+Cynodon dactylon+Lolium perenne+Phleum pratense+Sorghum halepense) 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
Method: Multidisk

What it does not mean

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

Key facts

Grass Allergen Mix A (Sweet vernal grass+Bermuda grass+Perennial rye grass+Timothy+Johnson grass) IgE Ab [Units/volume] in Serum by Multidisk
(Anthoxanthum odoratum+Cynodon dactylon+Lolium perenne+Phleum pratense+Sorghum halepense) Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Allerscan; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Bermuda grass; g001; g002; g005; g006; g010; g1; g10; g2; g5; g6; Grass Allerg Mix A; Immune globulin E; Immunoglobulin E; Italian Ryegrass; Johnson grass; Per rye grass; Perennial ryegrass; Phleum pretense; Point in time; QNT; Quan; Quant; Quantitative; Random; Rye grass; Ryegrass; Serum; SR; Sw Vernal grass; Sweet vernal grass; Timothy; Timothy 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

Sweet vernal grass+Bermuda grass+Perennial rye grass+Timothy+Johnson grass IgE Multidisk Qn (S)Grass Allergen Mix A (Sweet vernal grass+Bermuda grass+Perennial rye grass+Timothy+Johnson grass) IgE Ab [Units/volume] in Serum by MultidiskGrass Allerg Mix A IgE Qn(Anthoxanthum odoratum+Cynodon dactylon+Lolium perenne+Phleum pratense+Sorghum halepense) Ab.IgEALLERGYGrass mix (Sweet Vernal Grass, Bermuda Grass, Perennial Rye Grass, Timothy, Johnson Grass) allergy testACnc

Frequently asked questions

Code details

Code24515-9

SystemLOINC

Display nameSweet vernal grass+Bermuda grass+Perennial rye grass+Timothy+Johnson grass IgE Multidisk Qn (S)

Description(Anthoxanthum odoratum+Cynodon dactylon+Lolium perenne+Phleum pratense+Sorghum halepense) Ab.IgE

Short nameGrass Allerg Mix A IgE Qn

Component(Anthoxanthum odoratum+Cynodon dactylon+Lolium perenne+Phleum pratense+Sorghum halepense) Ab.IgE

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

MethodMultidisk

ClassALLERGY

Example unitskIU/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0o

Last changed2.73

Consumer names

Grass mix (Sweet Vernal Grass, Bermuda Grass, Perennial Rye Grass, Timothy, Johnson Grass) allergy test

Part names

(Anthoxanthum odoratum+Cynodon dactylon+Lolium perenne+Phleum pratense+Sorghum halepense) Ab.IgEACncPtSerQnMultidiskGrass Allergen Mix A (Sweet vernal grass+Bermuda grass+Perennial rye grass+Timothy+Johnson grass) 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.