LOINCActiveBoth

LOINC Code 87994-0: T. cruzi IgG IA Ql (S)

87994-0 is a LOINC code used to identify T. cruzi 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 Trypanosoma cruzi 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 Trypanosoma cruzi 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

  • Trypanosoma cruzi IgG Ab [Presence] in Serum by Immunoassay
  • Trypanosoma cruzi Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Chagas disease; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; SUDS; T cruzi; Trypanosomiasis; Trypanosomosis

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

T. cruzi IgG IA Ql (S)Trypanosoma cruzi IgG Ab [Presence] in Serum by ImmunoassayT cruzi IgG Ser Ql IATrypanosoma cruzi Ab.IgGMICROTrypanosoma cruzi IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code87994-0
SystemLOINC
Display nameT. cruzi IgG IA Ql (S)
DescriptionTrypanosoma cruzi Ab.IgG
Short nameT cruzi IgG Ser Ql IA
ComponentTrypanosoma cruzi Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.63
Last changed2.63

Consumer names

Trypanosoma cruzi IgG antibody, Blood

Part names

Trypanosoma cruzi Ab.IgGPrThrPtSerOrdIATrypanosoma cruzi 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 87994-0 | HealthAssure