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.

LOINCOrder

LOINC Code 108990-3: Onchocerca sp IgG2 (S) [Measurement]

Name: LOINC Code 108990-3: Onchocerca sp IgG2 (S) [Measurement]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:21.041Z

108990-3 is a LOINC code used to identify Onchocerca sp IgG2 (S) [Measurement] 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 Onchocerca sp Ab.IgG2. 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 Onchocerca sp Ab.IgG2. 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: TRIAL
Order vs observation: Order

What it does not mean

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

Key facts

Onchocerca sp IgG2 Ab [Measurement] in Serum

Onchocerca sp Ab.IgG2

This term is intended to collate similar measurements for the LOINC SNOMED CT Collaboration in an ontological view. Additionally, it can be used to communicate a laboratory order, either alone or in combination with specimen or other information in the order. It may NOT be used to report back the measured patient value. [https//lo.inc/ce2mb6]

ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Filariasis; Lab orders; Msmt; River blindness; Serum; species; spp; 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.

Common synonyms

Onchocerca sp IgG2 (S) [Measurement]Onchocerca sp IgG2 Ab [Measurement] in SerumOnchocerca IgG2 Msmt SerOnchocerca sp Ab.IgG2LABORDERS.ONTOLOGYOnchocerca sp IgG2, Blood{Measurement}

Frequently asked questions

Code details

Code108990-3

SystemLOINC

Display nameOnchocerca sp IgG2 (S) [Measurement]

DescriptionOnchocerca sp Ab.IgG2

Short nameOnchocerca IgG2 Msmt Ser

ComponentOnchocerca sp Ab.IgG2

Property{Measurement}

Timing-

System (specimen)Ser

Scale-

ClassLABORDERS.ONTOLOGY

StatusTRIAL

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.81

Last changed2.81

Consumer names

Onchocerca sp IgG2, Blood

Part names

Onchocerca sp Ab.IgG2{Measurement}-SerOnchocerca sp IgG2MeasurementSerum

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.