LOINCActiveBoth

LOINC Code 90329-4: Porcine deltacoronavirus IgG/Positive control IA (Specimen) [Relative ratio]

90329-4 is a LOINC code used to identify Porcine deltacoronavirus IgG/Positive control IA (Specimen) [Relative ratio] 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 Porcine deltacoronavirus Ab.IgG/Positive control. It is commonly used with the system or sample type XXX.

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 Porcine deltacoronavirus Ab.IgG/Positive control. It is commonly used with the system or sample type XXX.

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: IA

What it does not mean

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

Key facts

Porcine deltacoronavirus IgG Ab/Positive control in Specimen by Immunoassay
Porcine deltacoronavirus Ab.IgG/Positive control
Specimens includenasal swab, serum, whole blood, and tissues (lymph nodes, spleen, tonsil, lung, spinal cord, liver, and kidney), processing fluids.
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Misc; Miscellaneous; Other; PDCoV; PDCoV Ab; PDCoV Ab.IgG; Point in time; Pork; Pos; Pos cntrl; QNT; Quan; Quant; Quantitative; Random; Relative ratio; Spec; SUDS; Swine; To be specified in another part of the message; Unspecified; Vet; Veterinary

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

Porcine deltacoronavirus IgG/Positive control IA (Specimen) [Relative ratio]Porcine deltacoronavirus IgG Ab/Positive control in Specimen by ImmunoassayPDCoV IgG/Pos cntrl Spec IAPorcine deltacoronavirus Ab.IgG/Positive controlMICROPorcine Deltacoronavirus/Positive Control, SpecimenRelRto

Frequently asked questions

Code details

Code90329-4
SystemLOINC
Display namePorcine deltacoronavirus IgG/Positive control IA (Specimen) [Relative ratio]
DescriptionPorcine deltacoronavirus Ab.IgG/Positive control
Short namePDCoV IgG/Pos cntrl Spec IA
ComponentPorcine deltacoronavirus Ab.IgG/Positive control
PropertyRelRto
TimingPt
System (specimen)XXX
ScaleQn
MethodIA
ClassMICRO
Example unitsratio
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.65
Last changed2.69

Consumer names

Porcine Deltacoronavirus/Positive Control, Specimen

Part names

Porcine deltacoronavirus Ab.IgG/Positive controlRelRtoPtXXXQnIARelative RatioPoint in time (spot)Immunoassay

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.