LOINCActiveBoth

LOINC Code 100395-3: Carob IgG Qn (S)

100395-3 is a LOINC code used to identify Carob 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 Ceratonia siliqua 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 Ceratonia siliqua 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

  • Carob IgG Ab [Units/volume] in Serum
  • Ceratonia siliqua Ab.IgG
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Carob; Carob bean gum; f296; Immune globulin G; Immunoglobulin G; Locust bean gum; Point in time; QNT; Quan; Quant; Quantitative; Random; Rf296; Serum; SR; St John's bread

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

Carob IgG Qn (S)Carob IgG Ab [Units/volume] in SerumCarob IgG QnCeratonia siliqua Ab.IgGALLERGYCarob IgG antibodyACnc

Frequently asked questions

Code details

Code100395-3
SystemLOINC
Display nameCarob IgG Qn (S)
DescriptionCeratonia siliqua Ab.IgG
Short nameCarob IgG Qn
ComponentCeratonia siliqua Ab.IgG
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitskIU/l
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.73
Last changed2.73

Consumer names

Carob IgG antibody

Part names

Ceratonia siliqua Ab.IgGACncPtSerQnArbitrary 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 100395-3 | HealthAssure