LOINCActiveBoth

LOINC Code 13190-4: Formaldehyde IgM Qn

13190-4 is a LOINC code used to identify Formaldehyde IgM Qn 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 Formaldehyde Ab.IgM. It is commonly used with the system or sample type Ser/Plas.

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 Formaldehyde Ab.IgM. It is commonly used with the system or sample type Ser/Plas.

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

  • Formaldehyde IgM Ab [Units/volume] in Serum or Plasma
  • Formaldehyde Ab.IgM
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Formalin; Immune globulin M; Immunoglobulin M; k80; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

Formaldehyde IgM QnFormaldehyde IgM Ab [Units/volume] in Serum or PlasmaFormaldehyde Ab.IgMALLERGYFormaldehyde IgM antibody, BloodACncPt

Frequently asked questions

Code details

Code13190-4
SystemLOINC
Display nameFormaldehyde IgM Qn
DescriptionFormaldehyde Ab.IgM
Short nameFormaldehyde IgM Qn
ComponentFormaldehyde Ab.IgM
PropertyACnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

Formaldehyde IgM antibody, Blood

Part names

Formaldehyde Ab.IgMACncPtSer/PlasQnFormaldehyde IgMArbitrary ConcentrationPoint in time (spot)Serum or Plasma

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 13190-4 | HealthAssure