LOINCActiveObservation

LOINC Code 99006-9: Leptospira interrogans sv Wolffi Ab Aggl (S) [Titer]

99006-9 is a LOINC code used to identify Leptospira interrogans sv Wolffi 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 Wolffi Ab. 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 Leptospira interrogans serovar Wolffi 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: Observation
  • Method: Aggl

What it does not mean

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

Key facts

  • Leptospira interrogans sv Wolffi Ab [Titer] in Serum by Agglutination
  • Leptospira interrogans serovar Wolffi Ab
  • ABS; Aby; Agg; Agglut; Agglutination; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); L inter; L interrogans; L interrogans Wolffi; 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

Leptospira interrogans sv Wolffi Ab Aggl (S) [Titer]Leptospira interrogans sv Wolffi Ab [Titer] in Serum by AgglutinationL interrogans Wolffi Ab Titr Ser AgglLeptospira interrogans serovar Wolffi AbMICROLeptospira interrogans sv Wolffi antibody, BloodTitr

Frequently asked questions

Code details

Code99006-9
SystemLOINC
Display nameLeptospira interrogans sv Wolffi Ab Aggl (S) [Titer]
DescriptionLeptospira interrogans serovar Wolffi Ab
Short nameL interrogans Wolffi Ab Titr Ser Aggl
ComponentLeptospira interrogans serovar Wolffi Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodAggl
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.75

Consumer names

Leptospira interrogans sv Wolffi antibody, Blood

Part names

Leptospira interrogans serovar Wolffi AbTitrPtSerSemiQnAgglTiterPoint 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 99006-9 | HealthAssure