LOINCActiveBoth

LOINC Code 56720-6: Ma+Ta Ab IB Ql (S)

56720-6 is a LOINC code used to identify Ma+Ta 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 Ma+Ta Ab. 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 Ma+Ta 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

  • Ma+Ta Ab [Presence] in Serum by Immunoblot
  • Ma+Ta Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Blt; Immune blot; Immunobl; Immunoblot; MA1; MA-1; Ma2; MATA; Neuro; Neurology; Ordinal; Paraneoplastic Ag Ma 1; Paraneoplastic syndrome; PNMA1; 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

Ma+Ta Ab IB Ql (S)Ma+Ta Ab [Presence] in Serum by ImmunoblotMa+Ta Ab Ser Ql IBMa+Ta AbSEROMa+Ta antibody, BloodPrThr

Frequently asked questions

Code details

Code56720-6
SystemLOINC
Display nameMa+Ta Ab IB Ql (S)
DescriptionMa+Ta Ab
Short nameMa+Ta Ab Ser Ql IB
ComponentMa+Ta Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIB
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.73

Consumer names

Ma+Ta antibody, Blood

Part names

Ma+Ta 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 56720-6 | HealthAssure