LOINCActiveObservation

LOINC Code 102470-2: Red Oak IgE RAST (S) [Presence]

102470-2 is a LOINC code used to identify Red Oak 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 Quercus rubra 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 Quercus rubra 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

  • Red Oak IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)
  • Quercus rubra Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Immune globulin E; Immunoglobulin E; Point in time; PR; Radioallergosorbent test; Random; Red oak; Serum; SmQn; SR; t42

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

Red Oak IgE RAST (S) [Presence]Red Oak IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)Red Oak IgE RASTQuercus rubra Ab.IgEALLERGYRed oak allergy testPrThr

Frequently asked questions

Code details

Code102470-2
SystemLOINC
Display nameRed Oak IgE RAST (S) [Presence]
DescriptionQuercus rubra Ab.IgE
Short nameRed Oak IgE RAST
ComponentQuercus rubra 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

Red oak allergy test

Part names

Quercus rubra Ab.IgEPrThrPtSerSemiQnRASTRed Oak (Quercus rubra) 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.

LOINC Code 102470-2 | HealthAssure