LOINCActiveBoth

LOINC Code 104261-3: Eosinophil derived neurotoxin IA (S) [Mass/Vol]

104261-3 is a LOINC code used to identify Eosinophil derived neurotoxin IA (S) [Mass/Vol] 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 Eosinophil derived neurotoxin. 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 Eosinophil derived neurotoxin. 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
  • Method: IA

What it does not mean

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

Key facts

  • Eosinophil derived neurotoxin [Mass/volume] in Serum by Immunoassay
  • Eosinophil derived neurotoxin
  • EDN; EIA; ELFA; ELISA; Enzyme immunoassay; Eos; Eosin; Eosino; Eosinophils; HEMATOLOGY/CELL COUNTS; IAA; Level; Mass concentration; MEIA; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; SUDS

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

Eosinophil derived neurotoxin IA (S) [Mass/Vol]Eosinophil derived neurotoxin [Mass/volume] in Serum by ImmunoassayEDN Ser IA-mCncEosinophil derived neurotoxinHEM/BCEosinophil derived neurotoxin, BloodMCnc

Frequently asked questions

Code details

Code104261-3
SystemLOINC
Display nameEosinophil derived neurotoxin IA (S) [Mass/Vol]
DescriptionEosinophil derived neurotoxin
Short nameEDN Ser IA-mCnc
ComponentEosinophil derived neurotoxin
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
MethodIA
ClassHEM/BC
Example unitsng/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.77
Last changed2.77

Consumer names

Eosinophil derived neurotoxin, Blood

Part names

Eosinophil derived neurotoxinMCncPtSerQnIAMass ConcentrationPoint in time (spot)SerumImmunoassay

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 104261-3 | HealthAssure