SNOMED_CT

SNOMED CT Concept 838441009: MASA syndrome

838441009 is a SNOMED CT concept used to represent MASA 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 attributes16
Role groups5
Module900000000000207008
Parents5

Defining attributes

Associated morphologyDilatation(morphologic abnormality)
OccurrenceCongenital(qualifier value)
Finding siteBrain cerebrospinal fluid pathway(body structure)
Pathological processPathological developmental process(qualifier value)
Associated morphologyHypoplasia(morphologic abnormality)
OccurrenceCongenital(qualifier value)
Finding siteCorpus callosum structure(body structure)
Pathological processPathological developmental process(qualifier value)
Associated morphologyAdduction deformity(morphologic abnormality)
OccurrenceCongenital(qualifier value)
Finding siteThumb structure(body structure)
Pathological processPathological developmental process(qualifier value)
Has interpretationImpaired(qualifier value)
InterpretsIntellectual ability(observable entity)
Has interpretationImpaired(qualifier value)
InterpretsAdaptation behaviour(observable entity)

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

MASA (mental retardation, adducted thumbs, shuffling gait, aphasia) syndromeIntellectual disability, aphasia, shuffling gait, adducted thumbs syndromeMental retardation, adducted thumbs, shuffling gait, aphasia syndrome

Frequently asked questions

Code details

Code838441009
SystemSNOMED_CT
Display nameMASA syndrome
DescriptionIntellectual disability, aphasia, shuffling gait, adducted thumbs 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.

SNOMED CT 838441009 | MASA syndrome | HealthAssure