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LOINC Code 28791-2: Left corrective lens Visual acuity far by Lensmeter

28791-2 is a LOINC code used to identify Left 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.left.

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.left.

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

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

Left corrective lens Visual acuity far by LensmeterL corr lens Far VA by LMVisual acuity.farEYE.GLASSESLenRtoPtCorrective lens.left

Frequently asked questions

Code details

Code28791-2
SystemLOINC
Display nameLeft corrective lens Visual acuity far by Lensmeter
DescriptionVisual acuity.far
Short nameL corr lens Far VA by LM
ComponentVisual acuity.far
PropertyLenRto
TimingPt
System (specimen)Corrective lens.left
ScaleQn
MethodLensmeter
ClassEYE.GLASSES
Example unitsft/ft
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.71

Part names

Visual acuity.farLenRtoPtCorrective lens.leftQnLensmeterVisual acuity farLength RatioPoint in time (spot)Left 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.