LOINCActiveBoth

LOINC Code 73074-7: Acetaminophen induced neutrophil IgM FC Ql

73074-7 is a LOINC code used to identify Acetaminophen induced neutrophil IgM FC Ql 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 Acetaminophen induced neutrophil 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 Acetaminophen induced neutrophil 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
  • Method: Flow cytometry

What it does not mean

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

Key facts

  • Acetaminophen induced neutrophil IgM Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
  • Acetaminophen induced neutrophil Ab.IgM
  • (neut) Ab; (neut) IgM; ABS; Aby; ACET; Acetamidophenol; Acetaminoph; Acetominophen; Antby; Anti; Antibodies; Antibody; APAP; Autoantibodies; Autoantibody; c209; C55; Dynamic; FC; Granulocytic Ab; Hydroxyacetanilide; Immune globulin M; Immunoglobulin M; N-(4-Hydroxyphenyl)acetanilide; N-Acetyl-p-aminophenol; Neut; Neutr; Neutrophils; Ordinal; p-Acetamidophenol; Paracetamol; p-Hydroxyacetanilide; Pl; Plasma; Plsm; PMN; PNM; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tylenol; u209

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

Acetaminophen induced neutrophil IgM FC QlAcetaminophen induced neutrophil IgM Ab [Presence] in Serum or Plasma by Flow cytometry (FC)APAP (neut) IgM SerPl Ql FCAcetaminophen induced neutrophil Ab.IgMSEROAcetaminophen induced neutrophil IgM, BloodPrThr

Frequently asked questions

Code details

Code73074-7
SystemLOINC
Display nameAcetaminophen induced neutrophil IgM FC Ql
DescriptionAcetaminophen induced neutrophil Ab.IgM
Short nameAPAP (neut) IgM SerPl Ql FC
ComponentAcetaminophen induced neutrophil Ab.IgM
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
MethodFlow cytometry
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.44
Last changed2.56

Consumer names

Acetaminophen induced neutrophil IgM, Blood

Part names

Acetaminophen induced neutrophil Ab.IgMPrThrPtSer/PlasOrdFlow cytometryAcetaminophen induced neutrophil IgMPresence or ThresholdPoint in time (spot)Serum or PlasmaFlow cytometry (FC)

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.