LOINCActiveBoth

LOINC Code 25631-3: Parvovirus B19 IgM (S) [Titer]

25631-3 is a LOINC code used to identify Parvovirus B19 IgM (S) [Titer] 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

What it does not mean

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

Key facts

  • Parvovirus B19 IgM Ab [Titer] in Serum
  • Parvovirus B19 Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B19 virus; B19V; Dilution factor; Dilution Factor (Titer); Fifth Disease; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Parvo; Parvo virus; Parvov; Point in time; Random; Serum; SmQn; SR; Titer; Titered; Titre; Ttr; UniversalLabOrders

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 (S) [Titer]Parvovirus B19 IgM Ab [Titer] in SerumB19V IgM Titr SerParvovirus B19 Ab.IgMMICROParvovirus B19 IgM antibody, BloodTitr

Frequently asked questions

Code details

Code25631-3
SystemLOINC
Display nameParvovirus B19 IgM (S) [Titer]
DescriptionParvovirus B19 Ab.IgM
Short nameB19V IgM Titr Ser
ComponentParvovirus B19 Ab.IgM
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.75

Consumer names

Parvovirus B19 IgM antibody, Blood

Part names

Parvovirus B19 Ab.IgMTitrPtSerSemiQnParvovirus B19 IgMTiterPoint 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 25631-3 | HealthAssure