LOINC

LOINC Code 65896-3: Cylindrical power [Inverse Length] Left eye

65896-3 is a LOINC code used to identify Cylindrical power [Inverse Length] Left eye 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 Cylindrical power. It is commonly used with the system or sample type Eye.left.

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 Cylindrical power. It is commonly used with the system or sample type Eye.left.

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: TRIAL

What it does not mean

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

Key facts

  • Cylindrical power [Inverse Length] Left eye
  • Cylindrical power
  • A cylindrical correction corrects astigmatic refractive error of the eye by adding or subtracting power cylindrically in a meridian specified by the prescribed axis.
  • Eyeball; Inverse Length; L; L eye; LT; Occular; Oculis; Ophthalmologic; Optic globe; PhenX; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Cylindrical power [Inverse Length] Left eyeCylindrical power InvLen L eyeCylindrical powerPHENXInvLenPtEye.left

Frequently asked questions

Code details

Code65896-3
SystemLOINC
Display nameCylindrical power [Inverse Length] Left eye
DescriptionCylindrical power
Short nameCylindrical power InvLen L eye
ComponentCylindrical power
PropertyInvLen
TimingPt
System (specimen)Eye.left
ScaleQn
ClassPHENX
Example unitsDiopter
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.70

Part names

Cylindrical powerInvLenPtEye.leftQnInverse LengthPoint in time (spot)Left 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.

LOINC Code 65896-3 | HealthAssure