SNOMED_CT

SNOMED CT Concept 840542000: Measurement of controlled attenuation parameter

840542000 is a SNOMED CT concept used to represent Measurement of controlled attenuation parameter 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 statusPrimitive
Definition patternSubclass
OWL axioms1
Defining attributes2
Role groups1
Module900000000000207008
Parents1

Defining attributes

MethodUltrasound imaging - action(qualifier value)
Procedure site - DirectLiver 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.

Frequently asked questions

Code details

Code840542000
SystemSNOMED_CT
Display nameMeasurement of controlled attenuation parameter
DescriptionMeasurement of controlled attenuation parameter (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.

SNOMED CT 840542000 | Measurement of controlled attenuation parameter | HealthAssure