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 48138-2: Enolase.neuron specific RIA [Mass/Vol]

Name: LOINC Code 48138-2: Enolase.neuron specific RIA [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

48138-2 is a LOINC code used to identify Enolase.neuron specific RIA [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 Enolase.neuron specific. It is commonly used with the system or sample type Ser/Plas.

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 Ser/Plas.

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: RIA

What it does not mean

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

Key facts

Enolase.neuron specific [Mass/volume] in Serum or Plasma by Radioimmunoassay (RIA)
Enolase.neuron specific
Chemistry; ENO2; enolase 2; Gamma-enolase; Level; Mass concentration; NSE; Phosphopyruvate dehydratase; Phosphopyruvate hydratase.gamma subunit; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; RADIOIMMUNOASSAY; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; Spec; SR; 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 RIA [Mass/Vol] (48138-2)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Enolase.neuron specific RIA [Mass/Vol]Enolase.neuron specific [Mass/volume] in Serum or Plasma by Radioimmunoassay (RIA)NSE SerPl RIA-mCncEnolase.neuron specificCHEMEnolase.neuron specific, BloodMCnc

Frequently asked questions

Code details

Code48138-2

SystemLOINC

Display nameEnolase.neuron specific RIA [Mass/Vol]

DescriptionEnolase.neuron specific

Short nameNSE SerPl RIA-mCnc

ComponentEnolase.neuron specific

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

MethodRIA

ClassCHEM

Example unitsug/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.70

Consumer names

Enolase.neuron specific, Blood

Part names

Enolase.neuron specificMCncPtSer/PlasQnRIAMass ConcentrationPoint in time (spot)Serum or PlasmaRadioimmunoassay (RIA)

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.