What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 7764-4: Black Western Walnut IgE Qn (S)

Name: LOINC Code 7764-4: Black Western Walnut IgE Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:58.754Z

7764-4 is a LOINC code used to identify Black Western Walnut 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 Walnut black western 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 Walnut black western 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

Black Western Walnut IgE Ab [Units/volume] in Serum
Walnut black western Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Black West Walnut; Immune globulin E; Immunoglobulin E; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; West

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

Black Western Walnut IgE Qn (S)Black Western Walnut IgE Ab [Units/volume] in SerumBlack West Walnut IgE QnWalnut black western Ab.IgEALLERGYBlack western walnut allergy testACnc

Frequently asked questions

Code details

Code7764-4

SystemLOINC

Display nameBlack Western Walnut IgE Qn (S)

DescriptionWalnut black western Ab.IgE

Short nameBlack West Walnut IgE Qn

ComponentWalnut black western 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 released1.0h(2)

Last changed2.42

Consumer names

Black western walnut allergy test

Part names

Walnut black western Ab.IgEACncPtSerQnBlack Western Walnut IgEArbitrary 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.