LOINCActiveBoth

LOINC Code 13119-3: Myelin associated glycoprotein Ab IB Ql (S)

13119-3 is a LOINC code used to identify Myelin associated glycoprotein Ab IB Ql (S) 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 Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 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
  • Method: IB

What it does not mean

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

Key facts

  • Myelin associated glycoprotein Ab [Presence] in Serum by Immunoblot
  • Myelin associated glycoprotein Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Assoc; Autoantibodies; Autoantibody; Blt; gG; Glycoprot; Glycoproteins; GP; Immune blot; Immunobl; Immunoblot; MAG; Neuro; Neurology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RIBA; Screen; Serology; Serum; SR; WB; WBLOT; West blot; West blt; Western blot

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 IB Ql (S)Myelin associated glycoprotein Ab [Presence] in Serum by ImmunoblotMAG Ab Ser Ql IBMyelin associated glycoprotein AbSEROMyelin associated glycoprotein antibody, BloodPrThr

Frequently asked questions

Code details

Code13119-3
SystemLOINC
Display nameMyelin associated glycoprotein Ab IB Ql (S)
DescriptionMyelin associated glycoprotein Ab
Short nameMAG Ab Ser Ql IB
ComponentMyelin associated glycoprotein Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIB
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

Myelin associated glycoprotein antibody, Blood

Part names

Myelin associated glycoprotein AbPrThrPtSerOrdIBPresence or ThresholdPoint in time (spot)SerumImmunoblot

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.

LOINC Code 13119-3 | HealthAssure