LOINCActiveBoth

LOINC Code 96742-2: SARS-CoV-2 (COVID-19) IgG IA [Mass/Vol]

96742-2 is a LOINC code used to identify SARS-CoV-2 (COVID-19) IgG IA [Mass/Vol] 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 SARS coronavirus 2 Ab.IgG. 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 SARS coronavirus 2 Ab.IgG. 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: Both
  • Method: IA

What it does not mean

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

Key facts

  • SARS-CoV-2 (COVID-19) IgG Ab [Mass/volume] in Serum or Plasma by Immunoassay
  • SARS coronavirus 2 Ab.IgG
  • Quantitative results for the detection of IgG antibodies against SARS coronavirus 2 (SARS-CoV-2), also known as the 2019 Novel Coronavirus (2019-nCoV), in serum or plasma by immunoassay methods. Testing is performed for the diagnosis of Coronavirus Disease 2019 (COVID-19).
  • 2019 Novel Coronavirus; 2019-nCoV; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Corona virus; COVID19; COVID-19; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; II; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Level; Mass concentration; MEIA; Microbiology; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SARS Coronavirus 1; SARS-CoV; SARS-CoV-1; SARS-CoV-2; SerP; SerPl; SerPlas; Serum; Serum or plasma; Severe Acute Respiratory Syndrome; SR; SUDS; Viral Pneumonias; Wuhan coronavirus

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

SARS-CoV-2 (COVID-19) IgG IA [Mass/Vol]SARS-CoV-2 (COVID-19) IgG Ab [Mass/volume] in Serum or Plasma by ImmunoassaySARS-CoV-2 IgG SerPl IA-mCncSARS coronavirus 2 Ab.IgGMICROSARS-CoV-2 (COVID-19) IgG antibody, BloodMCnc

Frequently asked questions

Code details

Code96742-2
SystemLOINC
Display nameSARS-CoV-2 (COVID-19) IgG IA [Mass/Vol]
DescriptionSARS coronavirus 2 Ab.IgG
Short nameSARS-CoV-2 IgG SerPl IA-mCnc
ComponentSARS coronavirus 2 Ab.IgG
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
MethodIA
ClassMICRO
Example unitsug/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.70
Last changed2.70

Consumer names

SARS-CoV-2 (COVID-19) IgG antibody, Blood

Part names

SARS coronavirus 2 Ab.IgGMCncPtSer/PlasQnIASARS-CoV-2 (COVID-19) IgGMass ConcentrationPoint in time (spot)Serum or PlasmaImmunoassay

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 96742-2 | HealthAssure