LOINCActiveBoth

LOINC Code 7157-1: Brazil Nut IgG Qn (S)

7157-1 is a LOINC code used to identify Brazil Nut 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 Bertholletia excelsa 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 Bertholletia excelsa 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

  • Brazil Nut IgG Ab [Units/volume] in Serum
  • Bertholletia excelsa Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Brazil nut; f018; f18; Immune globulin G; Immunoglobulin G; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR

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

Brazil Nut IgG Qn (S)Brazil Nut IgG Ab [Units/volume] in SerumBrazil Nut IgG QnBertholletia excelsa Ab.IgGALLERGYBrazil nut IgG antibodyACnc

Frequently asked questions

Code details

Code7157-1
SystemLOINC
Display nameBrazil Nut IgG Qn (S)
DescriptionBertholletia excelsa Ab.IgG
Short nameBrazil Nut IgG Qn
ComponentBertholletia excelsa 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

Brazil nut IgG antibody

Part names

Bertholletia excelsa Ab.IgGACncPtSerQnBrazil Nut (Bertholletia excelsa) 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 7157-1 | HealthAssure