CodeSystem-visual-field-observations

Sourcehl7.fhir.uv.eyecare#current:HL7 FHIR® Implementation Guide: Ophthalmology Retinal, Release 1 (v4.0.1)
resourceTypeCodeSystem
idvisual-field-observations
canonicalhttp://terminolgy.hl7.org/uv/eyecare/CodeSystem/visual-field-observations
version0.1.0
statusdraft
publisherHL7 International - Patient Care WG
nameOphthalmologyVisualFieldObservations
titleVisual field test parameter observations
date2021-08-07
descriptionVisual field observation additional codes
copyrightHL7
jurisdictionsuv
caseSensitivetrue
compositionalfalse
versionNeededtrue
contentcomplete
Usages(none)

This case-sensitive code system http://terminolgy.hl7.org/uv/eyecare/CodeSystem/visual-field-observations defines the following codes:

Code Display Definition
400204 Fixation loss Fixation loss occurs when the patient reports seeing a stimulus that is presented in the predicted area of the physiologic blind spot
400202 False positive percent Percentage of false positive responses
400203 False negative percent Percentage of false negative reponses
400205 False positive ratio Ratio of false positive responses to total responses
400206 False negative ratio Ratio of false negative responses to total responses

Produced 08 Sep 2023