LOINCActiveBoth

LOINC Code 24140-6: White Ash IgG Qn (S)

24140-6 is a LOINC code used to identify White Ash IgG 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 Fraxinus americana Ab.IgG. 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 Fraxinus americana Ab.IgG. 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

  • White Ash IgG Ab [Units/volume] in Serum
  • Fraxinus americana Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Immune globulin G; Immunoglobulin G; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; t015; t15; White ash

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

White Ash IgG Qn (S)White Ash IgG Ab [Units/volume] in SerumWhite Ash IgG QnFraxinus americana Ab.IgGALLERGYWhite ash IgG antibodyACnc

Frequently asked questions

Code details

Code24140-6
SystemLOINC
Display nameWhite Ash IgG Qn (S)
DescriptionFraxinus americana Ab.IgG
Short nameWhite Ash IgG Qn
ComponentFraxinus americana Ab.IgG
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

White ash IgG antibody

Part names

Fraxinus americana Ab.IgGACncPtSerQnWhite Ash (Fraxinus americana) IgGArbitrary 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 24140-6 | HealthAssure