Personal Health Device Implementation Guide
2.0.0 - STU 2 International flag

This page is part of the Personal Health Device FHIR IG (v2.0.0: STU 2) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

CodeSystem: SimpleAlertOperationalStates CodeSystem

Official URL: http://hl7.org/fhir/uv/phd/CodeSystem/SimpleAlertOperationalStatesCS Version: 2.0.0
Standards status: Trial-use Active as of 2026-04-01 Maturity Level: 2 Computable Name: SimpleAlertOperationalStatesCS

The operational states for the simple alerting system.

This Code system is referenced in the definition of the following value sets:

This case-sensitive code system http://hl7.org/fhir/uv/phd/CodeSystem/SimpleAlertOperationalStatesCS defines the following codes:

CodeDisplayDefinition
Limits-On Limits On The alert system is checking the high and low limits.
Limits-Off Limits Off The alert system is not checking the high and low limits.
Limits-Low-Off Low Limit Off The alerting system is only checking the high limit.
Limits-High-Off High Limit Off The alerting system is only checking the low limit.

Description of the above table(s).