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 100412-6: Chinese cabbage IgG Qn (S)

Name: LOINC Code 100412-6: Chinese cabbage IgG Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:16.532Z

100412-6 is a LOINC code used to identify Chinese cabbage IgG 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 Brassica rapa ssp. pekinensis Ab.IgG. 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 Brassica rapa ssp. pekinensis Ab.IgG. 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

Chinese cabbage IgG Ab [Units/volume] in Serum
Brassica rapa ssp. pekinensis Ab.IgG
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Brassica rapa subsp. rapa; Celery cabbage; Chinese cabbage; f316; Immune globulin G; Immunoglobulin G; Napa cabbage; Peking cabbage; Point in time; QNT; Quan; Quant; Quantitative; Random; Rape seed; Rf316; Serum; SR; Turnip

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

Chinese cabbage IgG Qn (S)Chinese cabbage IgG Ab [Units/volume] in SerumChinese cabbage IgG QnBrassica rapa ssp. pekinensis Ab.IgGALLERGYChinese cabbage IgG antibodyACnc

Frequently asked questions

Code details

Code100412-6

SystemLOINC

Display nameChinese cabbage IgG Qn (S)

DescriptionBrassica rapa ssp. pekinensis Ab.IgG

Short nameChinese cabbage IgG Qn

ComponentBrassica rapa ssp. pekinensis Ab.IgG

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassALLERGY

Example unitskIU/l

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.73

Last changed2.81

Consumer names

Chinese cabbage IgG antibody

Part names

Brassica rapa ssp. pekinensis Ab.IgGACncPtSerQnArbitrary 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.