What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 73421-0: Dicyclomine induced platelet IgG FC Ql

Name: LOINC Code 73421-0: Dicyclomine induced platelet IgG FC Ql
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:52.635Z

73421-0 is a LOINC code used to identify Dicyclomine induced platelet IgG 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 Dicyclomine induced platelet Ab.IgG. 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 Dicyclomine induced platelet Ab.IgG. 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

Dicyclomine induced platelet IgG Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
Dicyclomine induced platelet Ab.IgG
(Bicyclohexyl)-1-carboxylic acid; 2-(diethylamino)ethyl ester; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Bemote; Bentyl; Byclomine; C19H36ClN02; Circulating platelet ab; Dicycloverine; DI-SPAZ; Dynamic; FC; Immune globulin G; Immunoglobulin G; ind plt Ab; ind plt IgG; Merbentyl; Ordinal; Pl; Plasma; Platelet ab.free; Platelet auto-antibodies; Platelets; Platelt; Plsm; Plt; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Thrombocyte; Thrombocytes

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

Dicyclomine induced platelet IgG FC QlDicyclomine induced platelet IgG Ab [Presence] in Serum or Plasma by Flow cytometry (FC)Dicyclomine ind plt IgG SerPl Ql FCDicyclomine induced platelet Ab.IgGSERODicyclomine induced platelet IgG, BloodPrThr

Frequently asked questions

Code details

Code73421-0

SystemLOINC

Display nameDicyclomine induced platelet IgG FC Ql

DescriptionDicyclomine induced platelet Ab.IgG

Short nameDicyclomine ind plt IgG SerPl Ql FC

ComponentDicyclomine induced platelet Ab.IgG

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 changed2.66

Consumer names

Dicyclomine induced platelet IgG, Blood

Part names

Dicyclomine induced platelet Ab.IgGPrThrPtSer/PlasOrdFlow cytometryDicyclomine induced platelet IgGPresence 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.