LOINCActiveBoth

LOINC Code 47463-5: L. pneumophila 12 IgG (S) [Titer]

47463-5 is a LOINC code used to identify L. pneumophila 12 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 Legionella pneumophila 12 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 Legionella pneumophila 12 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

  • Legionella pneumophila 12 IgG Ab [Titer] in Serum
  • Legionella pneumophila 12 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 pneumo; L pneumo 12; L pneumo 12 Ab; L pneumonphila; Legion; Legionela; Microbiology; Pneu; pneum; Pneumophilia; 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. pneumophila 12 IgG (S) [Titer]Legionella pneumophila 12 IgG Ab [Titer] in SerumL pneumo 12 IgG Titr SerLegionella pneumophila 12 Ab.IgGMICROLegionella pneumophila 12 IgG antibody, BloodTitr

Frequently asked questions

Code details

Code47463-5
SystemLOINC
Display nameL. pneumophila 12 IgG (S) [Titer]
DescriptionLegionella pneumophila 12 Ab.IgG
Short nameL pneumo 12 IgG Titr Ser
ComponentLegionella pneumophila 12 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 released2.19
Last changed2.75

Consumer names

Legionella pneumophila 12 IgG antibody, Blood

Part names

Legionella pneumophila 12 Ab.IgGTitrPtSerSemiQnLegionella pneumophila 12 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 47463-5 | HealthAssure