LOINCActiveBoth

LOINC Code 5042-7: Adenovirus IgM Qn (S)

5042-7 is a LOINC code used to identify Adenovirus IgM Qn (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 Adenovirus Ab.IgM. 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 Adenovirus 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

  • Adenovirus IgM Ab [Units/volume] in Serum
  • Adenovirus Ab.IgM
  • ABS; Aby; Adeno virus; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; HAdV; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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

Adenovirus IgM Qn (S)Adenovirus IgM Ab [Units/volume] in SerumHAdV IgM Ser-aCncAdenovirus Ab.IgMMICROAdenovirus IgM antibody, BloodACnc

Frequently asked questions

Code details

Code5042-7
SystemLOINC
Display nameAdenovirus IgM Qn (S)
DescriptionAdenovirus Ab.IgM
Short nameHAdV IgM Ser-aCnc
ComponentAdenovirus Ab.IgM
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassMICRO
Example unitsIndex Value
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Adenovirus IgM antibody, Blood

Part names

Adenovirus Ab.IgMACncPtSerQnAdenovirus IgMArbitrary ConcentrationPoint 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.

LOINC Code 5042-7 | HealthAssure