LOINCActiveBoth

LOINC Code 81789-0: English walnut recombinant (rJug r) 3 IgE Qn (S)

81789-0 is a LOINC code used to identify English walnut recombinant (rJug r) 3 IgE Qn (S) 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 Juglans regia recombinant (rJug r) 3 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 Juglans regia recombinant (rJug r) 3 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: Both

What it does not mean

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

Key facts

  • English walnut recombinant (rJug r) 3 IgE Ab [Units/volume] in Serum
  • Juglans regia recombinant (rJug r) 3 Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; English walnut; English walnut (rJug r) 3; f442; III; Immune globulin E; Immunoglobulin E; Lipid transfer protein; Point in time; QNT; Quan; Quant; Quantitative; R prime; Random; Right; Serum; 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

English walnut recombinant (rJug r) 3 IgE Qn (S)English walnut recombinant (rJug r) 3 IgE Ab [Units/volume] in SerumEnglish walnut (rJug r) 3 IgE QnJuglans regia recombinant (rJug r) 3 Ab.IgEALLERGYEnglish walnut recombinant (rJug r) 3 allergy testACnc

Frequently asked questions

Code details

Code81789-0
SystemLOINC
Display nameEnglish walnut recombinant (rJug r) 3 IgE Qn (S)
DescriptionJuglans regia recombinant (rJug r) 3 Ab.IgE
Short nameEnglish walnut (rJug r) 3 IgE Qn
ComponentJuglans regia recombinant (rJug r) 3 Ab.IgE
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitskIU/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.73

Consumer names

English walnut recombinant (rJug r) 3 allergy test

Part names

Juglans regia recombinant (rJug r) 3 Ab.IgEACncPtSerQnArbitrary ConcentrationPoint 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.