LOINCActiveBoth

LOINC Code 13664-8: Myelin associated glycoprotein/Sulfated glucuronic paragloboside IgM (S) [Titer]

13664-8 is a LOINC code used to identify Myelin associated glycoprotein/Sulfated glucuronic paragloboside IgM (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 Myelin associated glycoprotein-sulfated glucuronic paragloboside Ab.IgM. 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 Myelin associated glycoprotein-sulfated glucuronic paragloboside Ab.IgM. 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

What it does not mean

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

Key facts

  • Myelin associated glycoprotein/Sulfated glucuronic paragloboside IgM Ab [Titer] in Serum
  • Myelin associated glycoprotein-sulfated glucuronic paragloboside Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Assoc; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); gG; Glycoprot; Glycoproteins; GP; Immune globulin M; Immunoglobulin M; MAG; MAG/SGPG; MAGM; MAG-SGPG; Point in time; Random; Serology; Serum; SGPG.IGM; SmQn; SR; 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

Myelin associated glycoprotein/Sulfated glucuronic paragloboside IgM (S) [Titer]Myelin associated glycoprotein/Sulfated glucuronic paragloboside IgM Ab [Titer] in SerumMAG/SGPG IgM Titr SerMyelin associated glycoprotein-sulfated glucuronic paragloboside Ab.IgMSEROMyelin associated glycoprotein/Sulfated glucuronic paragloboside IgM antibody, BloodTitr

Frequently asked questions

Code details

Code13664-8
SystemLOINC
Display nameMyelin associated glycoprotein/Sulfated glucuronic paragloboside IgM (S) [Titer]
DescriptionMyelin associated glycoprotein-sulfated glucuronic paragloboside Ab.IgM
Short nameMAG/SGPG IgM Titr Ser
ComponentMyelin associated glycoprotein-sulfated glucuronic paragloboside Ab.IgM
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
ClassSERO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.75

Consumer names

Myelin associated glycoprotein/Sulfated glucuronic paragloboside IgM antibody, Blood

Part names

Myelin associated glycoprotein-sulfated glucuronic paragloboside Ab.IgMTitrPtSerSemiQnMyelin Associated Glycoprotein-sulfated Glucuronic Paragloboside IgMTiterPoint in time (spot)Serum

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.