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 63289-3: Myelin associated glycoprotein Ab IA Qn (Body fld)

Name: LOINC Code 63289-3: Myelin associated glycoprotein Ab IA Qn (Body fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:42.802Z

63289-3 is a LOINC code used to identify Myelin associated glycoprotein Ab IA Qn (Body fld) 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 Myelin associated glycoprotein Ab. It is commonly used with the system or sample type Body fld.

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 Myelin associated glycoprotein Ab. It is commonly used with the system or sample type Body fld.

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

Myelin associated glycoprotein Ab [Units/volume] in Body fluid by Immunoassay
Myelin associated glycoprotein Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Assoc; Autoantibodies; Autoantibody; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; EIA; ELFA; ELISA; Enzyme immunoassay; Fl; Fld; FLU; Fluid; gG; Glycoprot; Glycoproteins; GP; IAA; MAG; MEIA; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; 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

Myelin associated glycoprotein Ab IA Qn (Body fld)Myelin associated glycoprotein Ab [Units/volume] in Body fluid by ImmunoassayMAG Ab Fld IA-aCncMyelin associated glycoprotein AbSEROMyelin associated glycoprotein antibody, Body fluidACnc

Frequently asked questions

Code details

Code63289-3

SystemLOINC

Display nameMyelin associated glycoprotein Ab IA Qn (Body fld)

DescriptionMyelin associated glycoprotein Ab

Short nameMAG Ab Fld IA-aCnc

ComponentMyelin associated glycoprotein Ab

PropertyACnc

TimingPt

System (specimen)Body fld

ScaleQn

MethodIA

ClassSERO

Example unitsarb U/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.70

Consumer names

Myelin associated glycoprotein antibody, Body fluid

Part names

Myelin associated glycoprotein AbACncPtBody fldQnIAArbitrary ConcentrationPoint in time (spot)Body fluidImmunoassay

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.