LOINCActiveObservation

LOINC Code 79880-1: Visual acuity best corrected Right eye by Snellen eye chart

79880-1 is a LOINC code used to identify Visual acuity best corrected Right eye by Snellen eye chart in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Visual acuity^best corrected. It is commonly used with the system or sample type Eye.right.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Visual acuity^best corrected. It is commonly used with the system or sample type Eye.right.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation
  • Method: Snellen eye chart

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Visual acuity best corrected Right eye by Snellen eye chart
  • Visual acuity^best corrected
  • This term was developed in collaboration with the National Institute of Health's National Eye Institute (NEI) as part of an effort to standardize the data elements collected by the National Ophthalmic Disease Genotyping and Phenotyping Network (eyeGENE).
  • Eye; EYE.REFRACTION; EYE.REFRACTION.NEI; Eyeball; Length Ratio; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Point in time; QNT; Quan; Quant; Quantitative; R; R eye; Random; Refraction; RT; VA; Vision; Visual

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Visual acuity best corrected Right eye by Snellen eye chartR eye VA--corr SnellenVisual acuity^best correctedEYE.REFRACTION.NEILenRtoPtEye.right

Frequently asked questions

Code details

Code79880-1
SystemLOINC
Display nameVisual acuity best corrected Right eye by Snellen eye chart
DescriptionVisual acuity^best corrected
Short nameR eye VA--corr Snellen
ComponentVisual acuity^best corrected
PropertyLenRto
TimingPt
System (specimen)Eye.right
ScaleQn
MethodSnellen eye chart
ClassEYE.REFRACTION.NEI
Example unitsft/ft
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.73

Part names

Visual acuity^best correctedLenRtoPtEye.rightQnSnellen eye chartLength RatioPoint in time (spot)Right eyeby Snellen eye chart

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 79880-1 | HealthAssure