LOINCActiveBoth

LOINC Code 40659-5: Parvovirus B19 IgM IF Ql (S)

40659-5 is a LOINC code used to identify Parvovirus B19 IgM IF 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 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 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: ACTIVE
  • Order vs observation: Both
  • Method: IF

What it does not mean

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

Key facts

  • Parvovirus B19 IgM Ab [Presence] in Serum by Immunofluorescence
  • Parvovirus B19 Ab.IgM
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; B19 virus; B19V; FA; Fifth Disease; Fluorescent antibody; Fluoresent; ID; IFA; Immune fluorescence; Immune globulin M; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Parvo; Parvo virus; Parvov; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; Time Resolved Fluorescence; TRF

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 IF Ql (S)Parvovirus B19 IgM Ab [Presence] in Serum by ImmunofluorescenceB19V IgM Ser Ql IFParvovirus B19 Ab.IgMMICROParvovirus B19 IgM antibody, BloodPrThr

Frequently asked questions

Code details

Code40659-5
SystemLOINC
Display nameParvovirus B19 IgM IF Ql (S)
DescriptionParvovirus B19 Ab.IgM
Short nameB19V IgM Ser Ql IF
ComponentParvovirus B19 Ab.IgM
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIF
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.56

Consumer names

Parvovirus B19 IgM antibody, Blood

Part names

Parvovirus B19 Ab.IgMPrThrPtSerOrdIFParvovirus B19 IgMPresence or ThresholdPoint in time (spot)SerumImmunofluorescence (IF)

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 40659-5 | HealthAssure