LOINCBoth

LOINC Code 7620-8: Black Cottonwood IgE Qn (S)

7620-8 is a LOINC code used to identify Black Cottonwood 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 nigra 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 nigra 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: DEPRECATED
  • Order vs observation: Both

What it does not mean

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

Key facts

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

Black Cottonwood IgE Qn (S)Deprecated Black Cottonwood IgE Ab [Units/volume] in SerumDeprecated Black Cottonwood IgE QnPopulus nigra Ab.IgEALLERGYBlack cottonwood allergy testACnc

Frequently asked questions

Code details

Code7620-8
SystemLOINC
Display nameBlack Cottonwood IgE Qn (S)
DescriptionPopulus nigra Ab.IgE
Short nameDeprecated Black Cottonwood IgE Qn
ComponentPopulus nigra Ab.IgE
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassALLERGY
StatusDEPRECATED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Black cottonwood allergy test

Part names

Populus nigra Ab.IgEACncPtSerQnBlack Cottonwood (Populus nigra) 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 7620-8 | HealthAssure