LOINCActiveObservation

LOINC Code 24490-5: Mountain juniper+White oak+White elm+Cottonwood+Mesquite IgE RAST class Multidisk (S) [Presence]

24490-5 is a LOINC code used to identify Mountain juniper+White oak+White elm+Cottonwood+Mesquite 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 (Juniperus sabinoides+Quercus alba+Ulmus americana+Populus deltoides+Prosopis juliflora) 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 (Juniperus sabinoides+Quercus alba+Ulmus americana+Populus deltoides+Prosopis juliflora) 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

  • Tree Allergen Mix 3 (Mountain juniper+White oak+White elm+Cottonwood+Mesquite) IgE Ab RAST class [Presence] in Serum by Multidisk
  • (Juniperus sabinoides+Quercus alba+Ulmus americana+Populus deltoides+Prosopis juliflora) Ab.IgE.RAST class
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Allerscan; American elm; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cottonwood; Elm; Honey locust; IgE RAST; Immune globulin E; Immunoglobulin E; Juniper sabinoides; Juniperus ashei; Mesquite; Mountain cedar; Mountain juniper; Mt Juniper; Oak; Point in time; PR; Prosopis juliflora Ab.IgE.RAST class; Random; Serum; SmQn; SR; t006; t007; t008; t014; t020; t14; t20; t6; t7; t8; Tree Allerg Mix3; tx3; White elm; White Oak

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

Mountain juniper+White oak+White elm+Cottonwood+Mesquite IgE RAST class Multidisk (S) [Presence]Tree Allergen Mix 3 (Mountain juniper+White oak+White elm+Cottonwood+Mesquite) IgE Ab RAST class [Presence] in Serum by MultidiskTree Allerg Mix3 IgE RAST(Juniperus sabinoides+Quercus alba+Ulmus americana+Populus deltoides+Prosopis juliflora) Ab.IgE.RAST classALLERGYTree mix (Mountain Juniper, White Oak, White Elm, Cottonwood, Mesquite) allergy testPrThr

Frequently asked questions

Code details

Code24490-5
SystemLOINC
Display nameMountain juniper+White oak+White elm+Cottonwood+Mesquite IgE RAST class Multidisk (S) [Presence]
Description(Juniperus sabinoides+Quercus alba+Ulmus americana+Populus deltoides+Prosopis juliflora) Ab.IgE.RAST class
Short nameTree Allerg Mix3 IgE RAST
Component(Juniperus sabinoides+Quercus alba+Ulmus americana+Populus deltoides+Prosopis juliflora) 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 released1.0o
Last changed2.75

Consumer names

Tree mix (Mountain Juniper, White Oak, White Elm, Cottonwood, Mesquite) allergy test

Part names

(Juniperus sabinoides+Quercus alba+Ulmus americana+Populus deltoides+Prosopis juliflora) 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.