Version 2.80

Term Description

Measures the progress of glaucoma. The cup-to-disc ratio compares the diameter of the "cup" portion of the optic disc with the total diameter of the optic disc. Results are a decimal range from 0.0 to 1.0.

Part Description

LP149840-3   Cup-disc ratio
The cup to disc ratio is the ratio of the diameter of the optic disc cup to the diameter of the optic disc. Normal is less than 0.5, and a ratio larger than 0.5 raises the suspicion of glaucoma. Source: Regenstrief LOINC

Fully-Specified Name

Component
Cup-disc ratio
Property
LenRto
Time
Pt
System
Optic nerve.right
Scale
Qn
Method
Ophthalmoscopy

Additional Names

Long Common Name
Right optic nerve Cup-disc ratio by Ophthalmoscopy
Short Name
R optic n Cup-disc ratio Ophthalmoscopy

Basic Attributes

Class
EYE.PX
Type
Clinical
First Released
Version 2.40
Last Updated
Version 2.73 (MIN)
Order vs. Observation
Observation
Common Test Rank Get Info
12800

Language Variants Get Info

Tag Language Translation
el-GR Greek (Greece) Αναλογία κυπέλλου-δίσκου:LenRto:Pt:Οπτικό νεύρο.δεξιά:Qn:Οφθαλμοσκόπηση
Synonyms: LenRto Αναλογία κυπέλλου-δίσκου
es-MX Spanish (Mexico) Relación copa-disco:LenRto:Punto temporal:Nervio óptico derecho:Cuantitativo:Ophthalmoscopy
it-IT Italian (Italy) Rapporto cup/disc:LenRto:Pt:Nervo ottico.destro:Qn:Oftalmoscopia
Synonyms: attraverso oftalmoscopia Occhio Oftalmologia - risultati di esami clinici Punto nel tempo (episodio) Rapporto lunghezze
zh-CN Chinese (China) 视盘凹陷与视盘直径比率:长度比率:时间点:视神经.右侧:定量型:检眼镜检查法
Synonyms: Eye physical findings;眼.体格检查所见;眼科.体格检查所见;眼科学与验光变量.体格检查所见;眼科学与验光指标.体格检查所见;眼部体格检查所见;眼部检查所见 R RT 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 右 右侧（Right，R，RT） 右侧的 右向 右向的 右边 右边的 向右 向右的 时刻;随机;随意;瞬间 杯/盘直径比;杯/盘比;杯盘比;视盘凹陷与视盘直径比;视盘凹陷与视盘直径比值;杯-盘比;Cup-disc ratio;CDR;cup/disc ratio;C/D 检眼镜检查;眼膜曲率镜检查;检眼屈光镜检查;检眼镜检查;眼底检查法;检眼镜检查方法 眼;眼睛;眼科;眼科学与验光变量;眼科学与验光指标 长度比

Example Units

Unit Source
{ratio} 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=71485-7