Distance from the patients eyes to the ETDRS visual acuity chart [PhenX]   64842-8

LOINC Code


LOINC code64842-8
nameDistance from the patients eyes to the ETDRS visual acuity chart [PhenX]
statusTRIAL

Fully-Specified Name

componentDistance from the patients eyes to the ETDRS visual acuity chart
propertyLen  =  Length
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
scaleQn  =  Quantitative:  The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256
methodPhenX

Additional Names

short nameVisual acuity test distance PhenX

Basic Attributes

classPHENX
type2  Clinical
example UCUM unitsm;[ft_us]
The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org)
example unitm;ft

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

62698-6PhenX - visual acuity protocol 111101

History/Usage

first released
last updated2.65
last change typeMIN  - change to field other than name
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.

Related Names

Length
Point in time
QNT
Quan
Quant
Quantitative
Random
Refraction
VA
Visual acuity test distance

Copyright © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, 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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