HL7.FHIR.UV.EYECARE\Visual field test parameter observations

HL7 FHIR® Implementation Guide: Ophthalmology Retinal, Release 1
0.1.0 - STU 1 Ballot

This page is part of the HL7 FHIR® Implementation Guide: Ophthalmology Retinal, Release 1 (v0.1.0: STU1 Ballot 1) based on FHIR R4. . For a full list of available versions, see the Directory of published versions

CodeSystem: Visual field test parameter observations

Summary

Defining URL:

http://hl7.org/fhir/uv/eyecare/CodeSystem/visual-field-observations

Version:

0.1.0

Name:

OphthalmologyVisualFieldObservations

Title:

Visual field test parameter observations

Status:

Draft as of 2021-08-07

Definition:

Visual field observation additional codes

Publisher:

HL7 International - Patient Care WG

Copyright:

HL7

Content:

Complete: All the concepts defined by the code system are included in the code system resource

Source Resource:

XML / JSON / Turtle

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

OphthalmologyVisualFieldObservableEntitiesValueSet

This code system http://hl7.org/fhir/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