LOINCActiveBoth

LOINC Code 7128-2: Green Bean triggered histamine release Qn (Bld)

7128-2 is a LOINC code used to identify Green Bean triggered histamine release Qn (Bld) 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 Bean green basophil bound Ab. It is commonly used with the system or sample type Bld.

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 Bean green basophil bound Ab. It is commonly used with the system or sample type Bld.

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
  • Method: LHR

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Green Bean triggered histamine release [Units/volume] in Blood
  • Bean green basophil bound Ab
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Associated; Autoantibodies; Autoantibody; Baso; BasoBnd Ab; Basophil release; Basophils; Basos; Beans; Blood; bnd; Bph; f315; Green Bean; Leukocyte histamine reaction; Leukocyte histamine release; Point in time; QNT; Quan; Quant; Quantitative; Random; Rf315; WB; WBC release; Whole blood

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

Green Bean triggered histamine release Qn (Bld)Green Bean triggered histamine release [Units/volume] in BloodGreen Bean BasoBnd Ab QnBean green basophil bound AbALLERGYGreen bean triggered histamine release, BloodACnc

Frequently asked questions

Code details

Code7128-2
SystemLOINC
Display nameGreen Bean triggered histamine release Qn (Bld)
DescriptionBean green basophil bound Ab
Short nameGreen Bean BasoBnd Ab Qn
ComponentBean green basophil bound Ab
PropertyACnc
TimingPt
System (specimen)Bld
ScaleQn
MethodLHR
ClassALLERGY
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.69

Consumer names

Green bean triggered histamine release, Blood

Part names

Bean green basophil bound AbACncPtBldQnLHRArbitrary ConcentrationPoint in time (spot)BloodLeukocyte histamine release

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 7128-2 | HealthAssure