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LOINC Code 103035-2: Annatto seed IgE RAST (S) [Presence]

103035-2 is a LOINC code used to identify Annatto seed IgE RAST (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 Bixa orellana seed 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 Bixa orellana seed 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: Observation
  • Method: RAST

What it does not mean

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

Key facts

  • Annatto seed IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)
  • Bixa orellana seed Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Annatto seed; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Immune globulin E; Immunoglobulin E; Point in time; PR; Radioallergosorbent test; Random; Seeds; Serum; SmQn; SR

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

Annatto seed IgE RAST (S) [Presence]Annatto seed IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)Annatto seed IgE RASTBixa orellana seed Ab.IgEALLERGYAnnatto seed allergy testPrThr

Frequently asked questions

Code details

Code103035-2
SystemLOINC
Display nameAnnatto seed IgE RAST (S) [Presence]
DescriptionBixa orellana seed Ab.IgE
Short nameAnnatto seed IgE RAST
ComponentBixa orellana seed Ab.IgE
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodRAST
ClassALLERGY
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.75
Last changed2.75

Consumer names

Annatto seed allergy test

Part names

Bixa orellana seed Ab.IgEPrThrPtSerSemiQnRASTAnnatto seed (Bixa orellana) IgEPresence or ThresholdPoint in time (spot)SerumRadioallergosorbent test (RAST)

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.