SNOMED_CT

SNOMED CT Concept 438490000: Transluminal dilation of aqueous outflow canal

438490000 is a SNOMED CT concept used to represent Transluminal dilation of aqueous outflow canal 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 procedure in the terminology hierarchy.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 procedure 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: procedure

What it does not mean

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

Key facts

Semantic tagProcedure
Definition statusFully defined
Definition patternEquivalent
OWL axioms1
Defining attributes3
Role groups1
Module900000000000207008
Parents3
Children4

Defining attributes

Procedure approachTransluminal approach(qualifier value)
MethodDilation - action(qualifier value)
Procedure site - DirectStructure of sinus venosus of sclera(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.

Frequently asked questions

Code details

Code438490000
SystemSNOMED_CT
Display nameTransluminal dilation of aqueous outflow canal
DescriptionTransluminal dilation of aqueous outflow canal (procedure)

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.