What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActive

LOINC Code 55979-9: Right corrective lens Visual acuity far by Lensmeter

Name: LOINC Code 55979-9: Right corrective lens Visual acuity far by Lensmeter
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:37.766Z

55979-9 is a LOINC code used to identify Right corrective lens Visual acuity far by Lensmeter 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.far. It is commonly used with the system or sample type Corrective lens.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.far. It is commonly used with the system or sample type Corrective lens.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
Method: Lensmeter

What it does not mean

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

Key facts

Right corrective lens Visual acuity far by Lensmeter
Visual acuity.far
by LM; Corr lens; Distance; EYE; EYE.GLASSES; Far VA; Focimeter; Length Ratio; Lensometer; LM; Ophthalmology; Ophtho; Ophthy; Point in time; QNT; Quan; Quant; Quantitative; R; R corr lens; Random; Refraction; RT; VA

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

Right corrective lens Visual acuity far by LensmeterR corr lens Far VA by LMVisual acuity.farEYE.GLASSESLenRtoPtCorrective lens.right

Frequently asked questions

Code details

Code55979-9

SystemLOINC

Display nameRight corrective lens Visual acuity far by Lensmeter

DescriptionVisual acuity.far

Short nameR corr lens Far VA by LM

ComponentVisual acuity.far

PropertyLenRto

TimingPt

System (specimen)Corrective lens.right

ScaleQn

MethodLensmeter

ClassEYE.GLASSES

Example unitsft/ft

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.71

Part names

Visual acuity.farLenRtoPtCorrective lens.rightQnLensmeterVisual acuity farLength RatioPoint in time (spot)Right corrective lens

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.