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LOINC Code 58709-7: Gliadin peptide IgA Qn (S)

58709-7 is a LOINC code used to identify Gliadin peptide IgA Qn (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 Gliadin peptide Ab.IgA. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Gliadin peptide 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

What it does not mean

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

Key facts

  • Gliadin peptide IgA Ab [Units/volume] in Serum
  • Gliadin peptide Ab.IgA
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Celiac disease; Deamidated gliadin peptide; Deaminated gliadin; DGP; F98; Gastro; Gastroenterology; GI; Gliadine; Immune globulin A; Immunoglobulin A; Pept; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; Serum; SR

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

Gliadin peptide IgA Qn (S)Gliadin peptide IgA Ab [Units/volume] in SerumGliadin peptide IgA Ser-aCncGliadin peptide Ab.IgASEROGliadin peptide IgA antibody, BloodACnc

Frequently asked questions

Code details

Code58709-7
SystemLOINC
Display nameGliadin peptide IgA Qn (S)
DescriptionGliadin peptide Ab.IgA
Short nameGliadin peptide IgA Ser-aCnc
ComponentGliadin peptide Ab.IgA
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassSERO
Example unitsarb U/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.32
Last changed2.73

Consumer names

Gliadin peptide IgA antibody, Blood

Part names

Gliadin peptide Ab.IgAACncPtSerQnGliadin peptide IgAArbitrary ConcentrationPoint in time (spot)Serum

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.