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 50636-0: Giant Japanese spider crab IgE Qn (S)

Name: LOINC Code 50636-0: Giant Japanese spider crab IgE Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.496Z

50636-0 is a LOINC code used to identify Giant Japanese spider crab 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 Macrocheira kaempferi 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 Macrocheira kaempferi 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

Giant Japanese spider crab IgE Ab [Units/volume] in Serum
Macrocheira kaempferi Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Giant Jap spider crab; Giant Japanese spider crab; Immune globulin E; Immunoglobulin E; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Giant Japanese spider crab IgE Qn (S)Giant Japanese spider crab IgE Ab [Units/volume] in SerumGiant Jap spider crab IgE QnMacrocheira kaempferi Ab.IgEALLERGYGiant Japanese spider crab allergy testACnc

Frequently asked questions

Code details

Code50636-0

SystemLOINC

Display nameGiant Japanese spider crab IgE Qn (S)

DescriptionMacrocheira kaempferi Ab.IgE

Short nameGiant Jap spider crab IgE Qn

ComponentMacrocheira kaempferi 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 released2.22

Last changed2.42

Consumer names

Giant Japanese spider crab allergy test

Part names

Macrocheira kaempferi Ab.IgEACncPtSerQnGiant Japanese spider crab (Macrocheira kaempferi) 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.