LOINCActiveObservation

LOINC Code 51761-5: G. lamblia IgA and IgG and IgM [Interp]

51761-5 is a LOINC code used to identify G. lamblia IgA and IgG and IgM [Interp] 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.IgA & IgG & IgM. It is commonly used with the system or sample type Ser/Plas.

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.IgA & IgG & IgM. It is commonly used with the system or sample type Ser/Plas.

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: Observation

What it does not mean

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

Key facts

  • Giardia lamblia IgA and IgG and IgM [Interpretation] in Serum or Plasma
  • Giardia lamblia Ab.IgA & IgG & IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Beaver fever; G duodenalis; G intestinalis; G lamblia; Giardiasis; ID; IgA+IgG; IgA+IgG+IgM; Immune globulin A; Immune globulin G; Immune globulin M; Immunoglobulin A; Immunoglobulin G; Immunoglobulin M; Impression; Impression/interpretation of study; Impressions; Infectious Disease; InfectiousDisease; Interp; Interpretation; Lamblia intestinalis; Microbiology; Nominal; Pl; Plasma; Plsm; Point in time; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

G. lamblia IgA and IgG and IgM [Interp]Giardia lamblia IgA and IgG and IgM [Interpretation] in Serum or PlasmaG lamblia IgA+IgG+IgM SerPl-ImpGiardia lamblia Ab.IgA & IgG & IgMMICROGiardia lamblia IgA and IgG and IgM, BloodImp

Frequently asked questions

Code details

Code51761-5
SystemLOINC
Display nameG. lamblia IgA and IgG and IgM [Interp]
DescriptionGiardia lamblia Ab.IgA & IgG & IgM
Short nameG lamblia IgA+IgG+IgM SerPl-Imp
ComponentGiardia lamblia Ab.IgA & IgG & IgM
PropertyImp
TimingPt
System (specimen)Ser/Plas
ScaleNom
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.73

Consumer names

Giardia lamblia IgA and IgG and IgM, Blood

Part names

Giardia lamblia Ab.IgA & IgG & IgMImpPtSer/PlasNomGiardia lamblia IgA and IgG and IgMImpression/interpretation of studyPoint in time (spot)Serum or Plasma

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 51761-5 | HealthAssure