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Term Description

Axis measurement increment is the specificity to which a keratometer 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.

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

LOINC Names Get Info

Fully-Specified Name
Axis measurement increment:Type:Pt:Keratometer:Nom:
Long Common Name
Axis measurement increment Keratometer
Short Name
Axis step KM

Part Model Get Info

  • Component
    Axis measurement increment
    LP418605-4
    • Analyte
      Axis measurement increment
      LP418605-4
      • Component Numerator
        Axis measurement increment
        LP418605-4
        • Component Numerator Core
          Axis measurement increment
          LP418605-4
        • Component Numerator Core Suffix
          NULL
           
      • Component Denominator
        NULL
         
        • Component Denominator Core
          NULL
           
        • Component Denominator Core Suffix
          NULL
           
    • Challenge
      NULL
       
    • Adjustment
      NULL
       
    • Count
      NULL
       
  • Property
    Type
    LP6886-8
  • Time
    Pt
    LP6960-1
  • System
    Keratometer
    LP418758-1
    • System Core
      Keratometer
      LP418758-1
    • Super System
      NULL
       
  • Scale
    Nom
    LP7750-5
  • Method
    NULL
     

Example Answer List: LL5576-5

Source: Japan Ophthalmic Instruments Association
AnswerCodeScoreAnswer ID
1 degreeLA31063-3
5 degreesLA31064-1

Basic Attributes

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

Member of these Panels

LOINCLong Common Name
95298-6Keratometry panel

Language Variants Get Info

TagLanguageTranslation
el-GRGreek (Greece)Προσαύξηση μέτρησης άξονα:Type:Pt:Κερατοειδόμετρο:Nom:
Synonyms: EYE EYE.REFRACTION Nom Pt Type Άξονας Κερατοειδόμετρο Προσαύξηση μέτρησης άξονα
es-MXSpanish (Mexico)Incremento de la medición del eje:Tipo:Punto temporal:Queratómetro:Nominal:
it-ITItalian (Italy)Assi, incremento della misura:Tipo:Pt:Oftalmometro:Nom:
Synonyms: Cheratometro Incremento della misura delle assi Occhio Oftalmologia - rifrazione Punto nel tempo (episodio)
zh-CNChinese (China)轴向测量增量:类型:时间点:角膜曲率计: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 角膜散光计;角膜计;角膜弧度仪 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）

Example Units

UnitSource
degExample UCUM Units

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

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=95300-0