LOINCActiveBoth

LOINC Code 81101-8: L. interrogans sv Copenhageni Ab Aggl (S) [Titer]

81101-8 is a LOINC code used to identify L. interrogans sv Copenhageni Ab Aggl (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 serovar Copenhageni Ab. 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 serovar Copenhageni Ab. 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
  • Method: Aggl

What it does not mean

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

Key facts

  • Leptospira interrogans sv Copenhageni Ab [Titer] in Serum by Agglutination
  • Leptospira interrogans serovar Copenhageni Ab
  • ABS; Aby; Agg; Agglut; Agglutination; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); ID; Infectious Disease; InfectiousDisease; L inter; L inter Copen; 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 sv Copenhageni Ab Aggl (S) [Titer]Leptospira interrogans sv Copenhageni Ab [Titer] in Serum by AgglutinationL inter Copen Ab Titr Ser AgglLeptospira interrogans serovar Copenhageni AbMICROLeptospira interrogans serovar Copenhageni antibody, BloodTitr

Frequently asked questions

Code details

Code81101-8
SystemLOINC
Display nameL. interrogans sv Copenhageni Ab Aggl (S) [Titer]
DescriptionLeptospira interrogans serovar Copenhageni Ab
Short nameL inter Copen Ab Titr Ser Aggl
ComponentLeptospira interrogans serovar Copenhageni Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodAggl
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.75

Consumer names

Leptospira interrogans serovar Copenhageni antibody, Blood

Part names

Leptospira interrogans serovar Copenhageni AbTitrPtSerSemiQnAgglLeptospira interrogans sv Copenhageni AbTiterPoint in time (spot)SerumAgglutination

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 81101-8 | HealthAssure