LOINCActiveBoth

LOINC Code 35280-7: tTG IgA IA Ql (S)

35280-7 is a LOINC code used to identify tTG IgA IA 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 Tissue transglutaminase 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 Tissue transglutaminase 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: IA

What it does not mean

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

Key facts

  • Tissue transglutaminase IgA Ab [Presence] in Serum by Immunoassay
  • Tissue transglutaminase Ab.IgA
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Celiac disease; EIA; ELFA; ELISA; Enzyme immunoassay; Fibrin stabilizing factor; Gastro; Gastroenterology; GI; IAA; Immune globulin A; Immunoglobulin A; MEIA; Ordinal; Point in time; PR; Protein-glutamine gamma glutamyltransferase; QL; Qual; Qualitative; Random; Screen; Serology; Serum; SR; SUDS; TG2; tTG; UniversalLabOrders

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

tTG IgA IA Ql (S)Tissue transglutaminase IgA Ab [Presence] in Serum by ImmunoassaytTG IgA Ser Ql IATissue transglutaminase Ab.IgASEROtTG IgA antibody, BloodPrThr

Frequently asked questions

Code details

Code35280-7
SystemLOINC
Display nametTG IgA IA Ql (S)
DescriptionTissue transglutaminase Ab.IgA
Short nametTG IgA Ser Ql IA
ComponentTissue transglutaminase Ab.IgA
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.12
Last changed2.73

Consumer names

tTG IgA antibody, Blood

Part names

Tissue transglutaminase Ab.IgAPrThrPtSerOrdIATissue Transglutaminase IgAPresence or ThresholdPoint in time (spot)SerumImmunoassay

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 35280-7 | HealthAssure