LOINCActiveObservation

LOINC Code 98797-4: Eye Sphere far for Percival by Phoropter

98797-4 is a LOINC code used to identify Eye Sphere far for Percival by 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 Sphere far for Percival. 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 Sphere far for Percival. 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

  • Eye Sphere far for Percival by Phoropter
  • Sphere far for Percival
  • by Phoropter; Distance; EYE.REFRACTION; Eyeball; Inverse Length; Occular; Oculis; Ophthalmologic; Optic globe; Point in time; QNT; Quan; Quant; Quantitative; Random; Sphere far Perc; 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

Eye Sphere far for Percival by PhoropterEye Sphere far Perc by PhoropterSphere far for PercivalEYE.REFRACTIONInvLenPtEye

Frequently asked questions

Code details

Code98797-4
SystemLOINC
Display nameEye Sphere far for Percival by Phoropter
DescriptionSphere far for Percival
Short nameEye Sphere far Perc by Phoropter
ComponentSphere far for Percival
PropertyInvLen
TimingPt
System (specimen)Eye
ScaleQn
MethodPhoropter
ClassEYE.REFRACTION
Example unitsDiopter
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Part names

Sphere far for PercivalInvLenPtEyeQnPhoropterInverse LengthPoint 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 98797-4 | HealthAssure