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 75954-8: State entropy [Score] Cerebral cortex Electroencephalogram (EEG)

Name: LOINC Code 75954-8: State entropy [Score] Cerebral cortex Electroencephalogram (EEG)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:56.386Z

75954-8 is a LOINC code used to identify State entropy [Score] Cerebral cortex Electroencephalogram (EEG) 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 State entropy. It is commonly used with the system or sample type Cerebral cortex.

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 State entropy. It is commonly used with the system or sample type Cerebral cortex.

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: EEG

What it does not mean

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

Key facts

State entropy [Score] Cerebral cortex Electroencephalogram (EEG)
State entropy
Cereb; Ctx; Electroencephalogram; NEURO; Neurology; Point in time; QNT; Quan; Quant; Quantitative; Random; Scale; Scre

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

State entropy [Score] Cerebral cortex Electroencephalogram (EEG)State entropy Scre Ctx EEGState entropyNEUROScorePtCerebral cortex

Frequently asked questions

Code details

Code75954-8

SystemLOINC

Display nameState entropy [Score] Cerebral cortex Electroencephalogram (EEG)

DescriptionState entropy

Short nameState entropy Scre Ctx EEG

ComponentState entropy

PropertyScore

TimingPt

System (specimen)Cerebral cortex

ScaleQn

MethodEEG

ClassNEURO

Example unitsscore

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.82

Part names

State entropyScorePtCerebral cortexQnEEGPoint in time (spot)Electroencephalogram (EEG)

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.