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 51523-9: Bermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass+Bahia grass IgE Multidisk Ql (S)

Name: LOINC Code 51523-9: Bermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass+Bahia grass IgE Multidisk Ql (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:35.012Z

51523-9 is a LOINC code used to identify Bermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass+Bahia grass IgE Multidisk Ql (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 (Cynodon dactylon+Lolium perenne+Phleum pratense+Poa pratensis+Sorghum halepense+Paspalum notatum) 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 (Cynodon dactylon+Lolium perenne+Phleum pratense+Poa pratensis+Sorghum halepense+Paspalum notatum) 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 2 (Bermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass+Bahia grass) IgE Ab [Presence] in Serum by Multidisk
(Cynodon dactylon+Lolium perenne+Phleum pratense+Poa pratensis+Sorghum halepense+Paspalum notatum) Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Allerscan; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Bahia grass; Bermuda grass; g002; g005; g006; g008; g010; g017; g10; g17; g2; g5; g6; g8; Grass Allerg Mix D; Grass Allerg Mix2; gx2; Immune globulin E; Immunoglobulin E; Italian Ryegrass; Johnson grass; June blue grass; June grass; June Kentucky blue grass; Junegrass; Kent blue grass; Kentucky blue grass; Kentucky bluegrass; Meadow grass; Ordinal; Per rye grass; Perennial ryegrass; Phleum pretense; Point in time; PR; QL; Qual; Qualitative; Random; Rye grass; Ryegrass; Screen; Serum; SR; 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

Bermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass+Bahia grass IgE Multidisk Ql (S)Grass Allergen Mix 2 (Bermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass+Bahia grass) IgE Ab [Presence] in Serum by MultidiskGrass Allerg Mix2 IgE Ql(Cynodon dactylon+Lolium perenne+Phleum pratense+Poa pratensis+Sorghum halepense+Paspalum notatum) Ab.IgEALLERGYGrass mix (Bermuda Grass, Perennial Rye Grass, Timothy, Kentucky Blue Grass, Johnson Grass, Bahia Grass) allergy testPrThr

Frequently asked questions

Code details

Code51523-9

SystemLOINC

Display nameBermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass+Bahia grass IgE Multidisk Ql (S)

Description(Cynodon dactylon+Lolium perenne+Phleum pratense+Poa pratensis+Sorghum halepense+Paspalum notatum) Ab.IgE

Short nameGrass Allerg Mix2 IgE Ql

Component(Cynodon dactylon+Lolium perenne+Phleum pratense+Poa pratensis+Sorghum halepense+Paspalum notatum) Ab.IgE

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleOrd

MethodMultidisk

ClassALLERGY

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.24

Last changed2.73

Consumer names

Grass mix (Bermuda Grass, Perennial Rye Grass, Timothy, Kentucky Blue Grass, Johnson Grass, Bahia Grass) allergy test

Part names

(Cynodon dactylon+Lolium perenne+Phleum pratense+Poa pratensis+Sorghum halepense+Paspalum notatum) Ab.IgEPrThrPtSerOrdMultidiskGrass Allergen Mix 2 (Bermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass+Bahia grass) IgEPresence or ThresholdPoint 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.