LOINCActiveObservation

LOINC Code 95305-9: Left cornea Flat curvature radius by Keratometry

95305-9 is a LOINC code used to identify Left cornea Flat curvature radius by Keratometry 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 Curvature radius.flat. It is commonly used with the system or sample type Cornea.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 Curvature radius.flat. It is commonly used with the system or sample type Cornea.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: ACTIVE
  • Order vs observation: Observation
  • Method: Keratometry

What it does not mean

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

Key facts

  • Left cornea Flat curvature radius by Keratometry
  • Curvature radius.flat
  • by KM; Corneal; EYE; EYE.REFRACTION; L; L cornea; Length; LT; Ophthalmology; Ophthalmometer; Ophtho; Ophthy; Point in time; QNT; Quan; Quant; Quantitative; Random; Upper extremity

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

Left cornea Flat curvature radius by KeratometryL cornea Curvature radius.flat by KMCurvature radius.flatEYE.REFRACTIONLenPtCornea.left

Frequently asked questions

Code details

Code95305-9
SystemLOINC
Display nameLeft cornea Flat curvature radius by Keratometry
DescriptionCurvature radius.flat
Short nameL cornea Curvature radius.flat by KM
ComponentCurvature radius.flat
PropertyLen
TimingPt
System (specimen)Cornea.left
ScaleQn
MethodKeratometry
ClassEYE.REFRACTION
Example unitsmm
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.68
Last changed2.68

Part names

Curvature radius.flatLenPtCornea.leftQnKeratometryFlat curvature radiusLengthPoint in time (spot)Left cornea

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 95305-9 | HealthAssure