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 53369-5: Echinococcus sp IgG1 Ab Qn (S)

Name: LOINC Code 53369-5: Echinococcus sp IgG1 Ab Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:36.030Z

53369-5 is a LOINC code used to identify Echinococcus sp IgG1 Ab 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 Echinococcus sp Ab.IgG1. 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 Echinococcus sp Ab.IgG1. 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

Echinococcus sp IgG1 Ab [Units/volume] in Serum
Echinococcus sp Ab.IgG1
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Echinococcosis; ID; IgG 1; IgG subgroup 1; Infectious Disease; InfectiousDisease; Microbiology; p2; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; species; spp; 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

Echinococcus sp IgG1 Ab Qn (S)Echinococcus sp IgG1 Ab [Units/volume] in SerumEchinococcus IgG1 Ser-aCncEchinococcus sp Ab.IgG1MICROEchinococcus sp IgG1 antibody, BloodACnc

Frequently asked questions

Code details

Code53369-5

SystemLOINC

Display nameEchinococcus sp IgG1 Ab Qn (S)

DescriptionEchinococcus sp Ab.IgG1

Short nameEchinococcus IgG1 Ser-aCnc

ComponentEchinococcus sp Ab.IgG1

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.24

Last changed2.69

Consumer names

Echinococcus sp IgG1 antibody, Blood

Part names

Echinococcus sp Ab.IgG1ACncPtSerQnEchinococcus sp IgG1Arbitrary 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.