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.

LOINCActiveObservation

LOINC Code 82100-9: Brome+Bermuda grass+Velvet grass+Perennial rye grass+Bahia grass+Johnson grass IgE RAST class Multidisk (S) [Presence]

Name: LOINC Code 82100-9: Brome+Bermuda grass+Velvet grass+Perennial rye grass+Bahia grass+Johnson grass IgE RAST class Multidisk (S) [Presence]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:08.163Z

82100-9 is a LOINC code used to identify Brome+Bermuda grass+Velvet grass+Perennial rye grass+Bahia grass+Johnson grass IgE RAST class Multidisk (S) [Presence] 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 (Bromus inermis+Cynodon dactylon+Holcus lanatus+Lolium perenne+Paspalum notatum+Sorghum halepense) Ab.IgE.RAST class. 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 (Bromus inermis+Cynodon dactylon+Holcus lanatus+Lolium perenne+Paspalum notatum+Sorghum halepense) Ab.IgE.RAST class. 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: Observation
Method: Multidisk

What it does not mean

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

Key facts

Grass Allergen Mix 6 (Brome+Bermuda grass+Velvet grass+Perennial rye grass+Bahia grass+Johnson grass) IgE Ab RAST class [Presence] in Serum by Multidisk
(Bromus inermis+Cynodon dactylon+Holcus lanatus+Lolium perenne+Paspalum notatum+Sorghum halepense) Ab.IgE.RAST class
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Allerscan; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Bahia grass; Bermuda grass; Brome; Brome grass; g002; g005; g010; g011; g013; g017; g10; g11; g13; g17; g2; g5; Grass Allerg Mix 6; gx6; IgE RAST; Immune globulin E; Immunoglobulin E; Italian Ryegrass; Johnson grass; Per rye grass; Perennial ryegrass; Point in time; PR; Random; Rescue grass; Rgx6; Rye grass; Ryegrass; Serum; SmQn; Sorghum halepense Ab.IgE.RAST class; SR; Velvet grass; Yorkshire fog

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

Brome+Bermuda grass+Velvet grass+Perennial rye grass+Bahia grass+Johnson grass IgE RAST class Multidisk (S) [Presence]Grass Allergen Mix 6 (Brome+Bermuda grass+Velvet grass+Perennial rye grass+Bahia grass+Johnson grass) IgE Ab RAST class [Presence] in Serum by MultidiskGrass Allerg Mix 6 IgE RAST(Bromus inermis+Cynodon dactylon+Holcus lanatus+Lolium perenne+Paspalum notatum+Sorghum halepense) Ab.IgE.RAST classALLERGYGrass mix (Brome, Bermuda Grass, Velvet Grass, Perennial Rye Grass, Bahia Grass, Johnson Grass) allergy testPrThr

Frequently asked questions

Code details

Code82100-9

SystemLOINC

Display nameBrome+Bermuda grass+Velvet grass+Perennial rye grass+Bahia grass+Johnson grass IgE RAST class Multidisk (S) [Presence]

Description(Bromus inermis+Cynodon dactylon+Holcus lanatus+Lolium perenne+Paspalum notatum+Sorghum halepense) Ab.IgE.RAST class

Short nameGrass Allerg Mix 6 IgE RAST

Component(Bromus inermis+Cynodon dactylon+Holcus lanatus+Lolium perenne+Paspalum notatum+Sorghum halepense) Ab.IgE.RAST class

PropertyPrThr

TimingPt

System (specimen)Ser

ScaleSemiQn

MethodMultidisk

ClassALLERGY

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.56

Last changed2.75

Consumer names

Grass mix (Brome, Bermuda Grass, Velvet Grass, Perennial Rye Grass, Bahia Grass, Johnson Grass) allergy test

Part names

(Bromus inermis+Cynodon dactylon+Holcus lanatus+Lolium perenne+Paspalum notatum+Sorghum halepense) Ab.IgE.RAST classPrThrPtSerSemiQnMultidiskPresence 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.