LOINCActiveBoth

LOINC Code 7322-1: Formaldehyde triggered histamine release Qn (Bld)

7322-1 is a LOINC code used to identify Formaldehyde 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 Formaldehyde 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 Formaldehyde 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

  • Formaldehyde triggered histamine release [Units/volume] in Blood
  • Formaldehyde 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; Blood; bnd; Bph; Formalin; k80; Leukocyte histamine reaction; Leukocyte histamine release; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Formaldehyde triggered histamine release Qn (Bld)Formaldehyde triggered histamine release [Units/volume] in BloodFormaldehyde BasoBnd Ab QnFormaldehyde basophil bound AbALLERGYFormaldehyde triggered histamine release, BloodACnc

Frequently asked questions

Code details

Code7322-1
SystemLOINC
Display nameFormaldehyde triggered histamine release Qn (Bld)
DescriptionFormaldehyde basophil bound Ab
Short nameFormaldehyde BasoBnd Ab Qn
ComponentFormaldehyde 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

Formaldehyde triggered histamine release, Blood

Part names

Formaldehyde 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 7322-1 | HealthAssure