LOINCActiveObservation

LOINC Code 49095-3: SLEV IgG and IgM (S) [Interp]

49095-3 is a LOINC code used to identify SLEV IgG and IgM (S) [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 Saint Louis encephalitis virus Ab.IgG & IgM. 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 Saint Louis encephalitis virus Ab.IgG & IgM. 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: Observation

What it does not mean

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

Key facts

  • Saint Louis encephalitis virus IgG and IgM [Interpretation] in Serum
  • Saint Louis encephalitis virus Ab.IgG & IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Enc; Enceph; Encephalomyelitis; 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; Nominal; Point in time; Random; Serum; SLE virus; SLEV; SR; St Louis

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

SLEV IgG and IgM (S) [Interp]Saint Louis encephalitis virus IgG and IgM [Interpretation] in SerumSLEV IgG+IgM Ser-ImpSaint Louis encephalitis virus Ab.IgG & IgMMICROSLEV IgG and IgM antibodies, BloodImp

Frequently asked questions

Code details

Code49095-3
SystemLOINC
Display nameSLEV IgG and IgM (S) [Interp]
DescriptionSaint Louis encephalitis virus Ab.IgG & IgM
Short nameSLEV IgG+IgM Ser-Imp
ComponentSaint Louis encephalitis virus Ab.IgG & IgM
PropertyImp
TimingPt
System (specimen)Ser
ScaleNom
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.73

Consumer names

SLEV IgG and IgM antibodies, Blood

Part names

Saint Louis encephalitis virus Ab.IgG & IgMImpPtSerNomSaint Louis encephalitis virus IgG and IgMImpression/interpretation of studyPoint 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 49095-3 | HealthAssure