LOINCActiveBoth

LOINC Code 40713-0: G. lamblia IgG IA Ql (S)

40713-0 is a LOINC code used to identify G. lamblia IgG IA Ql (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 Giardia lamblia 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 Giardia lamblia 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
  • Method: IA

What it does not mean

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

Key facts

  • Giardia lamblia IgG Ab [Presence] in Serum by Immunoassay
  • Giardia lamblia Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Beaver fever; EIA; ELFA; ELISA; Enzyme immunoassay; G duodenalis; G intestinalis; G lamblia; Giardiasis; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Lamblia intestinalis; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; SUDS

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

G. lamblia IgG IA Ql (S)Giardia lamblia IgG Ab [Presence] in Serum by ImmunoassayG lamblia IgG Ser Ql IAGiardia lamblia Ab.IgGMICROGiardia lamblia IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code40713-0
SystemLOINC
Display nameG. lamblia IgG IA Ql (S)
DescriptionGiardia lamblia Ab.IgG
Short nameG lamblia IgG Ser Ql IA
ComponentGiardia lamblia Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.73

Consumer names

Giardia lamblia IgG antibody, Blood

Part names

Giardia lamblia Ab.IgGPrThrPtSerOrdIAGiardia lamblia IgGPresence or ThresholdPoint in time (spot)SerumImmunoassay

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.

LOINC Code 40713-0 | HealthAssure