What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 31481-5: L. interrogans sv Icterohaemorrhagiae Ab Qn (S)

Name: LOINC Code 31481-5: L. interrogans sv Icterohaemorrhagiae Ab Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

31481-5 is a LOINC code used to identify L. interrogans sv Icterohaemorrhagiae Ab Qn (S) 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 Icterohaemorrhagiae 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 Icterohaemorrhagiae 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

What it does not mean

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

Key facts

Leptospira interrogans sv Icterohaemorrhagiae Ab [Units/volume] in Serum
Leptospira interrogans serovar Icterohaemorrhagiae Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; ID; Infectious Disease; InfectiousDisease; L inter; L inter Icter; L interrogans; Leptospirosis; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for L. interrogans sv Icterohaemorrhagiae Ab Qn (S) (31481-5)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

L. interrogans sv Icterohaemorrhagiae Ab Qn (S)Leptospira interrogans sv Icterohaemorrhagiae Ab [Units/volume] in SerumL inter Icter Ab Ser-aCncLeptospira interrogans serovar Icterohaemorrhagiae AbMICROLeptospira interrogans serovar icterohaemorrhagiae antibody, BloodACnc

Frequently asked questions

Code details

Code31481-5

SystemLOINC

Display nameL. interrogans sv Icterohaemorrhagiae Ab Qn (S)

DescriptionLeptospira interrogans serovar Icterohaemorrhagiae Ab

Short nameL inter Icter Ab Ser-aCnc

ComponentLeptospira interrogans serovar Icterohaemorrhagiae Ab

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.07

Last changed2.69

Consumer names

Leptospira interrogans serovar icterohaemorrhagiae antibody, Blood

Part names

Leptospira interrogans serovar Icterohaemorrhagiae AbACncPtSerQnLeptospira interrogans sv Icterohaemorrhagiae AbArbitrary ConcentrationPoint 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.