LOINCActive

LOINC Code 6617-5: Visual acuity log MAR Eye - left

6617-5 is a LOINC code used to identify Visual acuity log MAR Eye - left 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 log MAR.left. It is commonly used with the system or sample type Eye.left.

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 log MAR.left. It is commonly used with the system or sample type Eye.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

What it does not mean

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

Key facts

  • Visual acuity log MAR Eye - left
  • Visual acuity log MAR.left
  • Complex; Eye; Eyeball; L; L eye; LT; minimal angle of resolution; Minimum angle of resolution; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Point in time; QNT; Quan; Quant; Quantitative; Random; Refraction; 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 log MAR Eye - leftL eye Visual acuity log MARVisual acuity log MAR.leftEYECmplxPtEye.left

Frequently asked questions

Code details

Code6617-5
SystemLOINC
Display nameVisual acuity log MAR Eye - left
DescriptionVisual acuity log MAR.left
Short nameL eye Visual acuity log MAR
ComponentVisual acuity log MAR.left
PropertyCmplx
TimingPt
System (specimen)Eye.left
ScaleQn
ClassEYE
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0g
Last changed2.68

Part names

Visual acuity log MAR.leftCmplxPtEye.leftQnVisual acuity log MARComplexPoint in time (spot)Left eye

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 6617-5 | HealthAssure