LOINCActiveBoth

LOINC Code 107504-3: CUZD1 IgA IF Ql (S)

107504-3 is a LOINC code used to identify CUZD1 IgA 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 CUZD1 Ab.IgA. It is commonly used with the system or sample type Ser.

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 CUZD1 Ab.IgA. 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

  • CUZD1 IgA Ab [Presence] in Serum by Immunofluorescence
  • CUZD1 Ab.IgA
  • ABS; Aby; ACIF; Antby; Anti; Antibodies; Antibody; Anticomplement Immunofluorescence; Autoantibodies; Autoantibody; CUB And Zona Pellucida Like Domains 1; FA; Fluorescent antibody; Fluoresent; IFA; Immune fluorescence; Immune globulin A; Immunoflour; Immunofluor; Immunofluorescence; Immunoglobulin A; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; 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

CUZD1 IgA IF Ql (S)CUZD1 IgA Ab [Presence] in Serum by ImmunofluorescenceCUZD1 IgA Ser Ql IFCUZD1 Ab.IgASEROCUZD1 IgA antibody, BloodPrThr

Frequently asked questions

Code details

Code107504-3
SystemLOINC
Display nameCUZD1 IgA IF Ql (S)
DescriptionCUZD1 Ab.IgA
Short nameCUZD1 IgA Ser Ql IF
ComponentCUZD1 Ab.IgA
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIF
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.81
Last changed2.81

Consumer names

CUZD1 IgA antibody, Blood

Part names

CUZD1 Ab.IgAPrThrPtSerOrdIFPresence 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.