Version 2.71

62679-6PhenX - contact biometry protocol 110101Trial

Status Information


Term Description

The axial length of the eye and central corneal thickness is measured in this protocol using the Ultrasonic A scan/pachymeter DGH 4000B SBH IOL Computation module. (A-Scan pachymeter, Ultrasonic, Exton, PA) which requires direct contact with the cornea. Three measurements are taken on each eye for both axial length and central corneal thickness. Results of all measurements are then printed. The WG recommends that three readings be taken and recorded from each eye for both axial length and central corneal thickness (measurements in millimeters). The WG recommends that the central corneal thickness-pachymetry measurements be taken first followed by the axial length measurements, as presented in this protocol. This protocol for contact biometry uses the ultrasonic A scan/pachymeter DGH 4000B SBH IOL Computation module. Other instruments can be used to measure ocular biometry including axial length and central corneal thickness. If other instruments are used, the reproducibility of the measurements should be comparable to those acquired with this protocol. In addition, when other instruments are used to collect these measurements, the manufacturer and model of equipment should be recorded. These other devices may require some different steps than are described in this protocol. Investigators should follow the equipment manufacturer's instructions to ensure quality control.
Source: Regenstrief LOINC

Panel Hierarchy
Details for each LOINC in Panel LHC-Forms

LOINC Name R/O/C Cardinality Example UCUM Units
62679-6 PhenX - contact biometry protocol 110101
Indent64740-4 Contact biometry instrument model
Indent64864-2 Measurement sequence [PhenX]
Indent64742-0 Right eye Axial length mm
Indent66067-0 Left eye Axial length mm
Indent64744-6 Cornea thickness Right eye [PhenX] mm
Indent66068-8 Left Eye cornea thickness reading measured, first measurement mm

Fully-Specified Name

PhenX - contact biometry protocol 110101

Additional Names

Short Name
Contact biometry proto

Survey Question


Basic Attributes

First Released
Version 2.36
Last Updated
Version 2.66
Change Reason
Updated the PhenX ID from "PhenX.<ID>" to "PX<ID>" in Survey Question Source field to align with the variable identifier used in the PhenX Toolkit.; Added the PhenX protocol ID to the Component to clearly define the protocol version for which this panel is based upon.
Panel Type

Member of these Panels

LOINC Long Common Name
62677-0 PhenX domain - Ocular

Language Variants Get Info

zh-CNChinese (China)
PhenX - 接触式生物测量法方案 110101:-:时间点:^患者:-:PhenX
it-ITItalian (Italy)
PhenX - biometria contatto, protocollo:-:Pt:^Paziente:-:PhenX
ru-RURussian (Russian Federation)
PhenX - контактная биометрия протокол:-:ТчкВрм:^Пациент:-:PhenX

LOINC FHIR® API Example - CodeSystem and Questionnaire Requests Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=62679-6 https://fhir.loinc.org/Questionnaire/?url=http://loinc.org/q/62679-6