LOINCActiveBoth

LOINC Code 46196-2: L. interrogans IgG (S) [Titer]

46196-2 is a LOINC code used to identify L. interrogans IgG (S) [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 Leptospira interrogans Ab.IgG. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Leptospira interrogans 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

What it does not mean

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

Key facts

  • Leptospira interrogans IgG Ab [Titer] in Serum
  • Leptospira interrogans Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; L inter; L interrogans; Leptospirosis; Microbiology; Point in time; Random; Serum; SmQn; SR; Titer; Titered; Titre; Ttr

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

L. interrogans IgG (S) [Titer]Leptospira interrogans IgG Ab [Titer] in SerumL inter IgG Titr SerLeptospira interrogans Ab.IgGMICROLeptospira interrogans IgG antibody, BloodTitr

Frequently asked questions

Code details

Code46196-2
SystemLOINC
Display nameL. interrogans IgG (S) [Titer]
DescriptionLeptospira interrogans Ab.IgG
Short nameL inter IgG Titr Ser
ComponentLeptospira interrogans Ab.IgG
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.75

Consumer names

Leptospira interrogans IgG antibody, Blood

Part names

Leptospira interrogans Ab.IgGTitrPtSerSemiQnLeptospira interrogans IgGTiterPoint in time (spot)Serum

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 46196-2 | HealthAssure