LOINCActiveBoth

LOINC Code 16900-3: Gliadin Ab Qn (Sal)

16900-3 is a LOINC code used to identify Gliadin Ab Qn (Sal) 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 Ab. It is commonly used with the system or sample type Saliva.

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 Ab. It is commonly used with the system or sample type Saliva.

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 Ab [Units/volume] in Saliva (oral fluid)
  • Gliadin Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Celiac disease; F98; Gliadine; Oral fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; Sal; Serology

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 Ab Qn (Sal)Gliadin Ab [Units/volume] in Saliva (oral fluid)Gliadin Ab Sal-aCncGliadin AbSEROGliadin antibody, SalivaACnc

Frequently asked questions

Code details

Code16900-3
SystemLOINC
Display nameGliadin Ab Qn (Sal)
DescriptionGliadin Ab
Short nameGliadin Ab Sal-aCnc
ComponentGliadin Ab
PropertyACnc
TimingPt
System (specimen)Saliva
ScaleQn
ClassSERO
Example unitskEU/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Gliadin antibody, Saliva

Part names

Gliadin AbACncPtSalivaQnArbitrary ConcentrationPoint in time (spot)

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 16900-3 | HealthAssure