SNOMED_CT

SNOMED CT Concept 840448004: Fetal cystic hygroma co-occurrent with hydrops

840448004 is a SNOMED CT concept used to represent Fetal cystic hygroma co-occurrent with hydrops 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 statusFully defined
Definition patternEquivalent
OWL axioms1
Defining attributes6
Role groups2
Module900000000000207008
Parents2

Defining attributes

Associated morphologyHydrops(morphologic abnormality)
OccurrenceFetal period(qualifier value)
Associated morphologyCystic lymphangioma(morphologic abnormality)
OccurrenceFetal period(qualifier value)
Finding siteStructure of lymphatic vessel(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.

Common synonyms

Cystic hygroma in foetus with hydropsCystic hygroma in fetus co-occurrent with hydropsCystic hygroma in foetus co-occurrent with hydrops

Frequently asked questions

Code details

Code840448004
SystemSNOMED_CT
Display nameFetal cystic hygroma co-occurrent with hydrops
DescriptionFetal cystic hygroma co-occurrent with hydrops (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.