LOINCActiveObservation

LOINC Code 98811-3: Right eye Horizontal prism - in for monocular accommodative lag by Phoropter

98811-3 is a LOINC code used to identify Right eye Horizontal prism - in for monocular accommodative lag 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 Horizontal prism.in for monocular accommodative lag. It is commonly used with the system or sample type Eye.right.

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 Horizontal prism.in for monocular accommodative lag. 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
  • Order vs observation: Observation
  • Method: Phoropter

What it does not mean

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

Key facts

  • Right eye Horizontal prism - in for monocular accommodative lag by Phoropter
  • Horizontal prism.in for monocular accommodative lag
  • by Phoropter; EYE.REFRACTION; Eyeball; H prism-in; H prism-in mon acc lag; Inverse Length; Occular; Oculis; Ophthalmologic; 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 Horizontal prism - in for monocular accommodative lag by PhoropterR eye H prism-in mon acc lag PhoropterHorizontal prism.in for monocular accommodative lagEYE.REFRACTIONInvLenPtEye.right

Frequently asked questions

Code details

Code98811-3
SystemLOINC
Display nameRight eye Horizontal prism - in for monocular accommodative lag by Phoropter
DescriptionHorizontal prism.in for monocular accommodative lag
Short nameR eye H prism-in mon acc lag Phoropter
ComponentHorizontal prism.in for monocular accommodative lag
PropertyInvLen
TimingPt
System (specimen)Eye.right
ScaleQn
MethodPhoropter
ClassEYE.REFRACTION
Example unitsprism diopter
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Horizontal prism.in for monocular accommodative lagInvLenPtEye.rightQnPhoropterHorizontal prism - in for monocular accommodative lagInverse LengthPoint in time (spot)Right 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.