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 107900-3: Red seaweed IgG IA

Name: LOINC Code 107900-3: Red seaweed IgG IA
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:20.671Z

107900-3 is a LOINC code used to identify Red seaweed IgG IA 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 Gelidium amansii Ab.IgG. It is commonly used with the system or sample type Ser/Plas.

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 Gelidium amansii Ab.IgG. It is commonly used with the system or sample type Ser/Plas.

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

Red seaweed IgG Ab [Units/volume] in Serum or Plasma by Immunoassay
Gelidium amansii Ab.IgG
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; Immune globulin G; Immunoglobulin G; MEIA; Pl; Plasma; Plsm; Point in time; Random; Red seaweed; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; SUDS

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

Red seaweed IgG IARed seaweed IgG Ab [Units/volume] in Serum or Plasma by ImmunoassayRed seaweed IgG IA-aCncGelidium amansii Ab.IgGALLERGYRed seaweed IgG antibody, BloodACnc

Frequently asked questions

Code details

Code107900-3

SystemLOINC

Display nameRed seaweed IgG IA

DescriptionGelidium amansii Ab.IgG

Short nameRed seaweed IgG IA-aCnc

ComponentGelidium amansii Ab.IgG

PropertyACnc

TimingPt

System (specimen)Ser/Plas

ScaleOrdQn

MethodIA

ClassALLERGY

Example unitsarb U/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.81

Last changed2.81

Consumer names

Red seaweed IgG antibody, Blood

Part names

Gelidium amansii Ab.IgGACncPtSer/PlasOrdQnIAArbitrary ConcentrationPoint in time (spot)Serum or PlasmaImmunoassay

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.