LOINCActiveObservation

LOINC Code 73752-8: Reagin and T. pallidum IgG and IgM [Interp]

73752-8 is a LOINC code used to identify Reagin and T. pallidum 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 Reagin Ab & Treponema pallidum Ab.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 Reagin Ab & Treponema pallidum Ab.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

  • Reagin and Treponema pallidum IgG and IgM [Interpretation] in Serum or Plasma
  • Reagin Ab & Treponema pallidum Ab.IgG & IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; ID; IgG+IgM; Immune globulin G; Immune globulin M; Immunoglobulin G; Immunoglobulin M; Impression; Impression/interpretation of study; Impressions; Infectious Disease; InfectiousDisease; Interp; Interpretation; Microbiology; Neurosyphilis; Nominal; Pl; Plasma; Plsm; Point in time; Random; Reagin+T pallidum; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Syphilis; T palldm; T pallidum; Treponema; Treponemal

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

Reagin and T. pallidum IgG and IgM [Interp]Reagin and Treponema pallidum IgG and IgM [Interpretation] in Serum or PlasmaReagin+T pallidum IgG+IgM SerPl-ImpReagin Ab & Treponema pallidum Ab.IgG & IgMMICROReagin and Treponema pallidum IgG and IgM antibodies, BloodImp

Frequently asked questions

Code details

Code73752-8
SystemLOINC
Display nameReagin and T. pallidum IgG and IgM [Interp]
DescriptionReagin Ab & Treponema pallidum Ab.IgG & IgM
Short nameReagin+T pallidum IgG+IgM SerPl-Imp
ComponentReagin Ab & Treponema pallidum Ab.IgG & IgM
PropertyImp
TimingPt
System (specimen)Ser/Plas
ScaleNom
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.44
Last changed2.73

Consumer names

Reagin and Treponema pallidum IgG and IgM antibodies, Blood

Part names

Reagin Ab & Treponema pallidum Ab.IgG & IgMImpPtSer/PlasNomReagin Ab and Treponema pallidum Ab 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.