LOINCActiveBoth

LOINC Code 7156-3: Boxelder IgG Qn (S)

7156-3 is a LOINC code used to identify Boxelder 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 Acer negundo 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 Acer negundo 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

  • Boxelder IgG Ab [Units/volume] in Serum
  • Acer negundo Ab.IgG
  • A negundo; ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Box elder; Boxelder; Immune globulin G; Immunoglobulin G; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; t001; t1

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

Boxelder IgG Qn (S)Boxelder IgG Ab [Units/volume] in SerumBoxelder IgG QnAcer negundo Ab.IgGALLERGYBoxelder IgG antibodyACnc

Frequently asked questions

Code details

Code7156-3
SystemLOINC
Display nameBoxelder IgG Qn (S)
DescriptionAcer negundo Ab.IgG
Short nameBoxelder IgG Qn
ComponentAcer negundo Ab.IgG
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.73

Consumer names

Boxelder IgG antibody

Part names

Acer negundo Ab.IgGACncPtSerQnBoxelder (Acer negundo) 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 7156-3 | HealthAssure