LOINCActiveBoth

LOINC Code 17745-1: Trimellitic anhydride (TMA) IgM Qn (S)

17745-1 is a LOINC code used to identify Trimellitic anhydride (TMA) IgM 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 Trimellitic anhydride Ab.IgM. 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 Trimellitic anhydride Ab.IgM. 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

  • Trimellitic anhydride (TMA) IgM Ab [Units/volume] in Serum
  • Trimellitic anhydride Ab.IgM
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Anhydrid; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Immune globulin M; Immunoglobulin M; k86; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; TMA; Trimelllitic anhydride

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

Trimellitic anhydride (TMA) IgM Qn (S)Trimellitic anhydride (TMA) IgM Ab [Units/volume] in SerumTMA IgM QnTrimellitic anhydride Ab.IgMALLERGYTrimellitic Anhydride (TMA) IgM antibodyACnc

Frequently asked questions

Code details

Code17745-1
SystemLOINC
Display nameTrimellitic anhydride (TMA) IgM Qn (S)
DescriptionTrimellitic anhydride Ab.IgM
Short nameTMA IgM Qn
ComponentTrimellitic anhydride Ab.IgM
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.69

Consumer names

Trimellitic Anhydride (TMA) IgM antibody

Part names

Trimellitic anhydride Ab.IgMACncPtSerQnTMA (Trimellitic anhydride) IgMArbitrary 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.

LOINC Code 17745-1 | HealthAssure