LOINCActiveObservation

LOINC Code 98385-8: Contrast ratio for far visual acuity measurement Phoropter

98385-8 is a LOINC code used to identify Contrast ratio for far visual acuity measurement Phoropter 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 Contrast ratio for far visual acuity measurement. It is commonly used with the system or sample type Eye.

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 Contrast ratio for far visual acuity measurement. It is commonly used with the system or sample type Eye.

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: Phoropter

What it does not mean

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

Key facts

  • Contrast ratio for far visual acuity measurement Phoropter
  • Contrast ratio for far visual acuity measurement
  • by Phoropter; c; Contr; Contra; Contrast for far VA; Contrst; Eye; EYE.REFRACTION; Eyeball; Number fraction; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Percent; 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

Contrast ratio for far visual acuity measurement PhoropterContrast for far VA PhoropterContrast ratio for far visual acuity measurementEYE.REFRACTIONNFrPtEye

Frequently asked questions

Code details

Code98385-8
SystemLOINC
Display nameContrast ratio for far visual acuity measurement Phoropter
DescriptionContrast ratio for far visual acuity measurement
Short nameContrast for far VA Phoropter
ComponentContrast ratio for far visual acuity measurement
PropertyNFr
TimingPt
System (specimen)Eye
ScaleQn
MethodPhoropter
ClassEYE.REFRACTION
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Contrast ratio for far visual acuity measurementNFrPtEyeQnPhoropterNumber FractionPoint in time (spot)

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.