LOINCActiveBoth

LOINC Code 13187-0: False ragweed IgG Qn (S)

13187-0 is a LOINC code used to identify False ragweed 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 Franseria acanthicarpa 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 Franseria acanthicarpa 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

  • False ragweed IgG Ab [Units/volume] in Serum
  • Franseria acanthicarpa Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; False ragweed; Immune globulin G; Immunoglobulin G; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; w004; w4

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

False ragweed IgG Qn (S)False ragweed IgG Ab [Units/volume] in SerumFalse ragweed IgG QnFranseria acanthicarpa Ab.IgGALLERGYFalse ragweed IgG antibodyACnc

Frequently asked questions

Code details

Code13187-0
SystemLOINC
Display nameFalse ragweed IgG Qn (S)
DescriptionFranseria acanthicarpa Ab.IgG
Short nameFalse ragweed IgG Qn
ComponentFranseria acanthicarpa Ab.IgG
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.69

Consumer names

False ragweed IgG antibody

Part names

Franseria acanthicarpa Ab.IgGACncPtSerQnFalse ragweed (Franseria acanthicarpa) 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 13187-0 | HealthAssure