LOINCActive
LOINC Code 28663-3: Right eye Sphere far by Phoropter
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. It is commonly used with the system or sample type Eye.right.
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: Phoropter
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- Right eye Sphere far by Phoropter
- Sphere far
- by Phoropter; Distance; Eye; EYE.REFRACTION; Eyeball; Inverse Length; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Point in time; QNT; Quan; Quant; Quantitative; R; R eye; Random; RT; 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
Right eye Sphere far by PhoropterR eye Sphere far by PhoropterSphere farEYE.REFRACTIONInvLenPtEye.right
Frequently asked questions
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.