LOINCActiveObservation

LOINC Code 98370-0: Phoropter Viewing distance

98370-0 is a LOINC code used to identify Phoropter Viewing distance 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 Viewing distance. 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 Viewing distance. 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

  • Phoropter Viewing distance
  • Viewing distance
  • by Phoropter; Eye; EYE.REFRACTION; Eyeball; Length; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Point in time; QNT; Quan; Quant; Quantitative; Random; View dist; 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

Phoropter Viewing distancePhoropter View distViewing distanceEYE.REFRACTIONLenPtEye

Frequently asked questions

Code details

Code98370-0
SystemLOINC
Display namePhoropter Viewing distance
DescriptionViewing distance
Short namePhoropter View dist
ComponentViewing distance
PropertyLen
TimingPt
System (specimen)Eye
ScaleQn
MethodPhoropter
ClassEYE.REFRACTION
Example unitscm
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Viewing distanceLenPtEyeQnPhoropterLengthPoint 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.

LOINC Code 98370-0 | HealthAssure