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 86950-3: Thymus IgG IF [Titer]

Name: LOINC Code 86950-3: Thymus IgG IF [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:15.844Z

86950-3 is a LOINC code used to identify Thymus IgG IF [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 Thymus 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 Thymus 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: IF

What it does not mean

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

Key facts

Thymus IgG Ab [Titer] in Serum or Plasma by Immunofluorescence
Thymus Ab.IgG
ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); FA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immune globulin G; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin G; Pl; Plasma; Plsm; Point in time; Random; Serology; SerP; SerPl; SerPlas; Serum; Serum or plasma; SmQn; SR; Time Resolved Fluorescence; Titer; Titered; Titre; TRF; 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

Thymus IgG IF [Titer]Thymus IgG Ab [Titer] in Serum or Plasma by ImmunofluorescenceThymus IgG Titr SerPl IFThymus Ab.IgGSEROThymus IgG antibody, BloodTitr

Frequently asked questions

Code details

Code86950-3

SystemLOINC

Display nameThymus IgG IF [Titer]

DescriptionThymus Ab.IgG

Short nameThymus IgG Titr SerPl IF

ComponentThymus Ab.IgG

PropertyTitr

TimingPt

System (specimen)Ser/Plas

ScaleSemiQn

MethodIF

ClassSERO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.63

Last changed2.75

Consumer names

Thymus IgG antibody, Blood

Part names

Thymus Ab.IgGTitrPtSer/PlasSemiQnIFThymus IgGTiterPoint in time (spot)Serum or PlasmaImmunofluorescence (IF)

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.