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LOINC Code 98732-1: SARS-CoV-2 (COVID-19) S protein RBD neut ab IA [Titer]

98732-1 is a LOINC code used to identify SARS-CoV-2 (COVID-19) S protein RBD neut ab IA [Titer] 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 spike protein RBD Ab.neut. 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 spike protein RBD Ab.neut. 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) S protein RBD neutralizing antibody [Titer] in Serum or Plasma by Immunoassay
  • SARS coronavirus 2 spike protein RBD Ab.neut
  • 2019 Novel Coronavirus; 2019-nCoV; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Corona virus; COVID19; COVID-19; Dilution factor; Dilution Factor (Titer); EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; II; Infectious Disease; InfectiousDisease; MEIA; Microbiology; NAb; Pl; Plasma; Plsm; Point in time; PR; Prot; Random; SARS Coronavirus 1; SARS-CoV; SARS-CoV-1; SARS-CoV-2; SARS-CoV-2 S; SARS-CoV-2 S RBD; SARS-CoV-2 S RBD Nab; SerP; SerPl; SerPlas; Serum; Serum or plasma; Severe Acute Respiratory Syndrome; SmQn; SR; SUDS; surrogate virus neutralization testing; sVNT; Titer; Titered; Titre; Ttr; 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) S protein RBD neut ab IA [Titer]SARS-CoV-2 (COVID-19) S protein RBD neutralizing antibody [Titer] in Serum or Plasma by ImmunoassaySARS-CoV-2 S RBD NAb Titr SerPl IASARS coronavirus 2 spike protein RBD Ab.neutMICROSARS-CoV-2 (COVID-19) S protein RBD neutralizing antibody, BloodTitr

Frequently asked questions

Code details

Code98732-1
SystemLOINC
Display nameSARS-CoV-2 (COVID-19) S protein RBD neut ab IA [Titer]
DescriptionSARS coronavirus 2 spike protein RBD Ab.neut
Short nameSARS-CoV-2 S RBD NAb Titr SerPl IA
ComponentSARS coronavirus 2 spike protein RBD Ab.neut
PropertyTitr
TimingPt
System (specimen)Ser/Plas
ScaleSemiQn
MethodIA
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.75

Consumer names

SARS-CoV-2 (COVID-19) S protein RBD neutralizing antibody, Blood

Part names

SARS coronavirus 2 spike protein RBD Ab.neutTitrPtSer/PlasSemiQnIASARS-CoV-2 (COVID-19) spike protein receptor binding domain (RBD) neutralizing antibodyTiterPoint 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.