LOINCActiveBoth

LOINC Code 107829-4: Date IgG IA Qn

107829-4 is a LOINC code used to identify Date IgG IA 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 Date 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 Date 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: IA

What it does not mean

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

Key facts

  • Date IgG Ab [Units/volume] in Serum or Plasma by Immunoassay
  • Date Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; Immune globulin G; Immunoglobulin G; MEIA; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; SUDS

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

Date IgG IA QnDate IgG Ab [Units/volume] in Serum or Plasma by ImmunoassayDate IgG Qn IADate Ab.IgGALLERGYDate IgG antibody, BloodACnc

Frequently asked questions

Code details

Code107829-4
SystemLOINC
Display nameDate IgG IA Qn
DescriptionDate Ab.IgG
Short nameDate IgG Qn IA
ComponentDate Ab.IgG
PropertyACnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
MethodIA
ClassALLERGY
Example unitsarb U/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Date IgG antibody, Blood

Part names

Date Ab.IgGACncPtSer/PlasQnIAArbitrary ConcentrationPoint in time (spot)Serum or PlasmaImmunoassay

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 107829-4 | HealthAssure