LOINCActiveBoth

LOINC Code 42983-7: Parainfluenza virus 4 IgG Ql (S)

42983-7 is a LOINC code used to identify Parainfluenza virus 4 IgG 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 Parainfluenza virus 4 Ab.IgG. 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 Parainfluenza virus 4 Ab.IgG. 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

  • Parainfluenza virus 4 IgG Ab [Presence] in Serum
  • Parainfluenza virus 4 Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; HPIV; HPIV4; Human rubulavirus 4; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Para; Parainflu; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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

Parainfluenza virus 4 IgG Ql (S)Parainfluenza virus 4 IgG Ab [Presence] in SerumHPIV4 IgG Ser QlParainfluenza virus 4 Ab.IgGMICROParainfluenza virus 4 IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code42983-7
SystemLOINC
Display nameParainfluenza virus 4 IgG Ql (S)
DescriptionParainfluenza virus 4 Ab.IgG
Short nameHPIV4 IgG Ser Ql
ComponentParainfluenza virus 4 Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.56

Consumer names

Parainfluenza virus 4 IgG antibody, Blood

Part names

Parainfluenza virus 4 Ab.IgGPrThrPtSerOrdParainfluenza virus 4 IgGPresence or ThresholdPoint 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 42983-7 | HealthAssure