SNOMED_CT

SNOMED CT Concept 442511009: Progressive encephalopathy with edema, hypsarrhythmia and optic atrophy syndrome

442511009 is a SNOMED CT concept used to represent Progressive encephalopathy with edema, hypsarrhythmia and optic atrophy syndrome in structured clinical data. You may see this concept in clinical documentation systems, problem lists, terminology services, interoperability records, or semantic mapping workflows. SNOMED CT is a clinical terminology used to capture healthcare meaning in a standardized, interoperable form. This concept is typed as a disorder in the terminology hierarchy.

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

SNOMED CT is a clinical terminology used to capture healthcare meaning in a standardized, interoperable form. This concept is typed as a disorder in the terminology hierarchy.

When is it used?

  • Used to represent a standardized clinical concept in health records, terminology services, and semantic mappings.
  • Often linked to diagnoses, findings, procedures, body structures, organisms, substances, or observable entities depending on the concept type.
  • Semantic tag: disorder

What it does not mean

  • A terminology concept label alone does not replace clinical interpretation, diagnosis context, or treatment advice.

Key facts

Semantic tagDisorder
Definition statusPrimitive
Definition patternSubclass
OWL axioms1
Defining attributes7
Role groups4
Module900000000000207008
Parents8

Defining attributes

Associated morphologyDegenerative abnormality(morphologic abnormality)
Finding siteBrain structure(body structure)
Associated morphologyLymphatic edema(morphologic abnormality)
Finding siteLimb structure(body structure)
Pathological processPathological developmental process(qualifier value)
Clinical courseProgressive(qualifier value)
Finding siteOptic nerve structure(body structure)

Where you may see this code

You may see this concept in clinical documentation systems, problem lists, terminology services, interoperability records, or semantic mapping workflows.

Common synonyms

PEHO syndromePEHO (progressive encephalopathy with oedema, hypsarrhythmia and optic atrophy) syndromePEHO (progressive encephalopathy with edema, hypsarrhythmia and optic atrophy) syndrome

Frequently asked questions

Code details

Code442511009
SystemSNOMED_CT
Display nameProgressive encephalopathy with edema, hypsarrhythmia and optic atrophy syndrome
DescriptionProgressive encephalopathy with edema, hypsarrhythmia and optic atrophy syndrome (disorder)

Flags

BillableNo
Valid clinical useNo

Source

SourceSNOMED CT
Version20260501T120000Z
Releasesnapshot

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from SNOMED CT. 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.