What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 19194-0: Enolase.neuron specific Qn (Pleur fld)

Name: LOINC Code 19194-0: Enolase.neuron specific Qn (Pleur fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

19194-0 is a LOINC code used to identify Enolase.neuron specific Qn (Pleur fld) 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 Enolase.neuron specific. It is commonly used with the system or sample type Plr fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Enolase.neuron specific. It is commonly used with the system or sample type Plr fld.

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

Enolase.neuron specific [Units/volume] in Pleural fluid
Enolase.neuron specific
Arbitrary concentration; Chemistry; ENO2; enolase 2; Gamma-enolase; NSE; Phosphopyruvate dehydratase; Phosphopyruvate hydratase.gamma subunit; Pleural; Pleural fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; thoracentesis fluid; Tumor marker

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Enolase.neuron specific Qn (Pleur fld) (19194-0)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Enolase.neuron specific Qn (Pleur fld)Enolase.neuron specific [Units/volume] in Pleural fluidNSE Plr-aCncEnolase.neuron specificCHEMEnolase.neuron specific, Pleural fluidACnc

Frequently asked questions

Code details

Code19194-0

SystemLOINC

Display nameEnolase.neuron specific Qn (Pleur fld)

DescriptionEnolase.neuron specific

Short nameNSE Plr-aCnc

ComponentEnolase.neuron specific

PropertyACnc

TimingPt

System (specimen)Plr fld

ScaleQn

ClassCHEM

Example unitsarb U/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0l

Last changed2.68

Consumer names

Enolase.neuron specific, Pleural fluid

Part names

Enolase.neuron specificACncPtPlr fldQnArbitrary ConcentrationPoint in time (spot)Pleural fluid

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.