LOINCActiveBoth

LOINC Code 50634-5: Balsam poplar IgE Qn (S)

50634-5 is a LOINC code used to identify Balsam poplar IgE 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 Populus balsamifera Ab.IgE. 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 Populus balsamifera Ab.IgE. 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

  • Balsam poplar IgE Ab [Units/volume] in Serum
  • Populus balsamifera Ab.IgE
  • ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Balsam poplar; Immune globulin E; Immunoglobulin E; 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

Balsam poplar IgE Qn (S)Balsam poplar IgE Ab [Units/volume] in SerumBalsam poplar IgE QnPopulus balsamifera Ab.IgEALLERGYBalsam poplar allergy testACnc

Frequently asked questions

Code details

Code50634-5
SystemLOINC
Display nameBalsam poplar IgE Qn (S)
DescriptionPopulus balsamifera Ab.IgE
Short nameBalsam poplar IgE Qn
ComponentPopulus balsamifera Ab.IgE
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
Example unitskIU/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.42

Consumer names

Balsam poplar allergy test

Part names

Populus balsamifera Ab.IgEACncPtSerQnBalsam poplar (Populus balsamifera) IgEArbitrary 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 50634-5 | HealthAssure