LOINCActiveObservation

LOINC Code 24494-7: Western ragweed+Mugwort+Lenscale+Goosefoot or Lambs quarters+English plantain IgE RAST class Multidisk (S) [Presence]

24494-7 is a LOINC code used to identify Western ragweed+Mugwort+Lenscale+Goosefoot or Lambs quarters+English plantain 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 (Ambrosia psilostachya+Artemisia vulgaris+Atriplex lentiformis+Chenopodium album+Plantago lanceolata) 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 (Ambrosia psilostachya+Artemisia vulgaris+Atriplex lentiformis+Chenopodium album+Plantago lanceolata) 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

  • Weed Allergen Mix 2 (Western ragweed+Mugwort+Lenscale+Goosefoot or Lambs quarters+English plantain) IgE Ab RAST class [Presence] in Serum by Multidisk
  • (Ambrosia psilostachya+Artemisia vulgaris+Atriplex lentiformis+Chenopodium album+Plantago lanceolata) Ab.IgE.RAST class
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Allerscan; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Buckhorn plantain; Engl plantain; English plantain; Goosefoot; IgE RAST; Immune globulin E; Immunoglobulin E; Lamb's quarter; Lambs quarters; Lamb's quarters; Lenscale; Mugwort; Plantago lanceolata Ab.IgE.RAST class; Plantain Buckhorn; Point in time; PR; Quinoa; Random; Ribwort; Scale; Serum; SmQn; SR; w002; w006; w009; w010; w015; w10; w15; w2; w6; w9; Weed Allerg Mix2; West Ragweed; Western ragweed; wx2

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

Western ragweed+Mugwort+Lenscale+Goosefoot or Lambs quarters+English plantain IgE RAST class Multidisk (S) [Presence]Weed Allergen Mix 2 (Western ragweed+Mugwort+Lenscale+Goosefoot or Lambs quarters+English plantain) IgE Ab RAST class [Presence] in Serum by MultidiskWeed Allerg Mix2 IgE RAST(Ambrosia psilostachya+Artemisia vulgaris+Atriplex lentiformis+Chenopodium album+Plantago lanceolata) Ab.IgE.RAST classALLERGYWeed mix (Western Ragweed, Mugwort, Lenscale, Goosefoot Or Lambs Quarters, English Plantain) allergy testPrThr

Frequently asked questions

Code details

Code24494-7
SystemLOINC
Display nameWestern ragweed+Mugwort+Lenscale+Goosefoot or Lambs quarters+English plantain IgE RAST class Multidisk (S) [Presence]
Description(Ambrosia psilostachya+Artemisia vulgaris+Atriplex lentiformis+Chenopodium album+Plantago lanceolata) Ab.IgE.RAST class
Short nameWeed Allerg Mix2 IgE RAST
Component(Ambrosia psilostachya+Artemisia vulgaris+Atriplex lentiformis+Chenopodium album+Plantago lanceolata) 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

Weed mix (Western Ragweed, Mugwort, Lenscale, Goosefoot Or Lambs Quarters, English Plantain) allergy test

Part names

(Ambrosia psilostachya+Artemisia vulgaris+Atriplex lentiformis+Chenopodium album+Plantago lanceolata) 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.