LOINC

LOINC Code 17423-5: Parvovirus B19 IgM Ql (S)

17423-5 is a LOINC code used to identify Parvovirus B19 IgM 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 Parvovirus B19 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 Parvovirus B19 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: DEPRECATED

What it does not mean

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

Key facts

  • Deprecated Parvovirus B19 IgM Ab [Presence] in Serum
  • Parvovirus B19 Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; B19 virus; B19V; Fifth Disease; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Parvo; Parvo virus; Parvov; Point in time; 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

Parvovirus B19 IgM Ql (S)Deprecated Parvovirus B19 IgM Ab [Presence] in SerumDeprecated B19V IgM Ser QlParvovirus B19 Ab.IgMMICROParvovirus B19 IgM antibody, BloodACnc

Frequently asked questions

Code details

Code17423-5
SystemLOINC
Display nameParvovirus B19 IgM Ql (S)
DescriptionParvovirus B19 Ab.IgM
Short nameDeprecated B19V IgM Ser Ql
ComponentParvovirus B19 Ab.IgM
PropertyACnc
TimingPt
System (specimen)Ser
ScaleOrd
ClassMICRO
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.36

Consumer names

Parvovirus B19 IgM antibody, Blood

Part names

Parvovirus B19 Ab.IgMACncPtSerOrdParvovirus B19 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 17423-5 | HealthAssure