PhenX - contact biometry protocol 110101   62679-6

LOINC Code


LOINC code62679-6
namePhenX - contact biometry protocol 110101
descriptionThe 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.
statusTRIAL

Fully-Specified Name

componentPhenX - contact biometry protocol 110101
property-
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
system^Patient
scale-
methodPhenX

Additional Names

short nameContact biometry proto

Basic Attributes

classPANEL.PHENX
type2  Clinical

Panel Components

64740-4Eye Contact biometry instrument model PhenX
64864-2Measurement sequence [PhenX]
64742-0Right eye Axial length
66067-0Left eye Axial length
64744-6Cornea thickness Right eye
66068-8Cornea thickness Left eye

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

Member of these Panels

62677-0PhenX domain - Ocular

History/Usage

first released
last updated2.66
last change typeNAM  - change to Analyte/Component
change reasonUpdated the PhenX ID from "PhenX." to "PX" 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.

Related Names

Pan
Panel
PANEL.PHENX
Panl
Pnl
Point in time
Random

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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