Version 2.78

Term Description

Axis measurement increment is the specificity to which a refractometer can measure the axis, typically 1 or 5 degrees. For example, a 5 degree increment allows measurement of 5, 10, 15 degrees, etc., while a 1 degree increment allows finer measurement to a single degree.
Source: Regenstrief LOINC

Part Descriptions

LP418605-4   Axis measurement increment
Axis measurement increment is the specificity to which a ophthalmologic device can measure the axis, typically 1 or 5 degrees. For example, a 5 degree increment allows measurement of 5, 10, 15 degrees, etc., while a 1 degree increment allows finer measurement to a single degree. Source: Regenstrief LOINC

LP418239-2   Axis eye
The axis is the orientation of the placement of the cylinder for astigmatism correction. The axis can be anywhere from 1 to 180 degrees. Source: Regenstrief LOINC

Fully-Specified Name

Component
Axis measurement increment
Property
Type
Time
Pt
System
Refractometer
Scale
Nom
Method

Additional Names

Long Common Name
Type of Axis measurement increment
Short Name
Type of Axis step

Example Answer List: LL5576-5

Source: Japan Ophthalmic Instruments Association
Answer Code Score Answer ID
1 degree LA31063-3
5 degrees LA31064-1

Basic Attributes

Class
EYE.REFRACTION
Type
Clinical
First Released
Version 2.68
Last Updated
Version 2.68
Order vs. Observation
Observation

Language Variants Get Info

Tag Language Translation
es-MX Spanish (Mexico) Incremento de la medición del eje:Tipo:Punto temporal:Refractómetro:Nominal:
it-IT Italian (Italy) Assi, incremento della misura:Tipo:Pt:Rifrattometro:Nom:
Synonyms: Incremento della misura delle assi Occhio Oftalmologia - rifrazione Punto nel tempo (episodio)
zh-CN Chinese (China) 轴向测量增量:类型:时间点:屈光计:名义型:
Synonyms: Refraction measurements;屈光度指标;屈光度测量指标;眼.屈光度指标;眼.屈光度测量指标;眼科.屈光度指标;眼科.屈光度测量指标;眼科学与视力测定变量.屈光度指标;眼科学与验光变量.屈光度指标;眼科学与验光变量.屈光度测量指标;眼科学与验光指标.屈光度指标;眼科学与验光指标.屈光度测量指标 分类型应答;分类型结果;名义性;名称型;名词型;名词性;标称性;没有自然次序的名义型或分类型应答 型 时刻;随机;随意;瞬间 眼;眼睛;眼科;眼科学与验光变量;眼科学与验光指标 轴向（散光轴向、散光方向、眼轴、视轴、轴位）测量（检测、测定）增量（步长） 验光仪;折射计;折光仪;折射仪;手持糖量仪;糖度计;甜度计

Example Units

Unit Source
deg Example UCUM Units

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=95291-1