LOINCActiveBoth

LOINC Code 50340-9: Eosinophils Hansel stain Ql (Nose)

50340-9 is a LOINC code used to identify Eosinophils Hansel stain Ql (Nose) 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 Eosinophils. It is commonly used with the system or sample type Nose.

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 Eosinophils. It is commonly used with the system or sample type Nose.

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: Hansel stain

What it does not mean

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

Key facts

  • Eosinophils [Presence] in Nose by Hansel stain
  • Eosinophils
  • Eos; Eosin; Eosino; Eosinophil; Eosins; Hansel Stn; HEMATOLOGY/CELL COUNTS; Nasal; Nos; Nose (nasal passage); Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Smell; St; Stains; Stn

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

Eosinophils Hansel stain Ql (Nose)Eosinophils [Presence] in Nose by Hansel stainEosinophil Nose Ql Hansel StnEosinophilsHEM/BCEosinophils, NosePrThr

Frequently asked questions

Code details

Code50340-9
SystemLOINC
Display nameEosinophils Hansel stain Ql (Nose)
DescriptionEosinophils
Short nameEosinophil Nose Ql Hansel Stn
ComponentEosinophils
PropertyPrThr
TimingPt
System (specimen)Nose
ScaleOrd
MethodHansel stain
ClassHEM/BC
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.56

Consumer names

Eosinophils, Nose

Part names

EosinophilsPrThrPtNoseOrdHansel stainPresence or ThresholdPoint in time (spot)

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 50340-9 | HealthAssure