SNOMED_CT
SNOMED CT Concept 204739008: Congenital aganglionic megacolon
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 attributes12
Role groups3
Module900000000000207008
Parents3
Children12
Defining attributes
Associated morphologyDilatation(morphologic abnormality)
OccurrenceCongenital(qualifier value)
Finding siteLarge intestine part(body structure)
Pathological processPathological developmental process(qualifier value)
Associated morphologyMorphologically abnormal structure(morphologic abnormality)
OccurrenceCongenital(qualifier value)
Finding siteStructure of peripheral part of autonomic nervous system(body structure)
Pathological processPathological developmental process(qualifier value)
Associated morphologyHypertrophy(morphologic abnormality)
OccurrenceCongenital(qualifier value)
Finding siteLarge intestine part(body structure)
Pathological processPathological developmental process(qualifier value)
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.
Mapped diagnoses and classifications
Common synonyms
Aganglionic megacolonAganglionosisHD - Hirschsprung's diseaseHirschsprung's diseaseHirschsprung disease
Frequently asked questions
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.