LOINCActiveBoth

LOINC Code 6478-2: MuV IgM IA Ql (S)

6478-2 is a LOINC code used to identify MuV IgM IA 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 Mumps virus 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 Mumps virus 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
  • Method: IA

What it does not mean

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

Key facts

  • Mumps virus IgM Ab [Presence] in Serum by Immunoassay
  • Mumps virus Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; MEIA; Microbiology; MuV; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; 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

MuV IgM IA Ql (S)Mumps virus IgM Ab [Presence] in Serum by ImmunoassayMuV IgM Ser Ql IAMumps virus Ab.IgMMICROMumps virus IgM antibody, BloodPrThr

Frequently asked questions

Code details

Code6478-2
SystemLOINC
Display nameMuV IgM IA Ql (S)
DescriptionMumps virus Ab.IgM
Short nameMuV IgM Ser Ql IA
ComponentMumps virus Ab.IgM
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0f
Last changed2.73

Consumer names

Mumps virus IgM antibody, Blood

Part names

Mumps virus Ab.IgMPrThrPtSerOrdIAMumps virus IgMPresence or ThresholdPoint in time (spot)SerumImmunoassay

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 6478-2 | HealthAssure