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 104406-4: Hantavirus IgG spec 1 IA (S) [Titer]

Name: LOINC Code 104406-4: Hantavirus IgG spec 1 IA (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:18.505Z

104406-4 is a LOINC code used to identify Hantavirus IgG spec 1 IA (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 Hantavirus Ab.IgG^1st specimen. 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 Hantavirus Ab.IgG^1st specimen. 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: IA

What it does not mean

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

Key facts

Hantavirus IgG Ab [Titer] in Serum by Immunoassay --1st specimen
Hantavirus Ab.IgG^1st specimen
ABS; Aby; Acute specimen; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); EIA; ELFA; ELISA; Enzyme immunoassay; First; Hanta virus; Hemorrhagic fever with renal syndrome; HFRS; HPS; HTNV; IAA; Immune globulin G; Immunoglobulin G; MEIA; Microbiology; Orthohantavirus; Point in time; Pre immunization; Random; Serum; SmQn; SNV; sp1; Spec; SR; SUDS; 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

Hantavirus IgG spec 1 IA (S) [Titer]Hantavirus IgG Ab [Titer] in Serum by Immunoassay --1st specimenHantavirus IgG sp1 Titr Ser IAHantavirus Ab.IgG^1st specimenMICROHantavirus IgG antibody specimen 1, BloodTitr

Frequently asked questions

Code details

Code104406-4

SystemLOINC

Display nameHantavirus IgG spec 1 IA (S) [Titer]

DescriptionHantavirus Ab.IgG^1st specimen

Short nameHantavirus IgG sp1 Titr Ser IA

ComponentHantavirus Ab.IgG^1st specimen

PropertyTitr

TimingPt

System (specimen)Ser

ScaleSemiQn

MethodIA

ClassMICRO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.77

Last changed2.77

Consumer names

Hantavirus IgG antibody specimen 1, Blood

Part names

Hantavirus Ab.IgG^1st specimenTitrPtSerSemiQnIATiterPoint in time (spot)SerumImmunoassay

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.