LOINCObservation

LOINC Code 100081-9: Left cornea Endothelial cell area.max

100081-9 is a LOINC code used to identify Left cornea Endothelial cell area.max 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 Endothelial cell area.max. 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 Endothelial cell area.max. 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: TRIAL
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Left cornea Endothelial cell area.max
  • Endothelial cell area.max
  • Corneal; EYE; L; L cornea; Largest; LT; Maximal; Maximum; Peak; Point in time; QNT; Quan; Quant; Quantitative; Random

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 Endothelial cell area.maxL cornea Endothelial cell area.maxEndothelial cell area.maxEYE.SPECULAR MICROSCOPYAreaPtCornea.left

Frequently asked questions

Code details

Code100081-9
SystemLOINC
Display nameLeft cornea Endothelial cell area.max
DescriptionEndothelial cell area.max
Short nameL cornea Endothelial cell area.max
ComponentEndothelial cell area.max
PropertyArea
TimingPt
System (specimen)Cornea.left
ScaleQn
ClassEYE.SPECULAR MICROSCOPY
Example unitsmm2
StatusTRIAL
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Endothelial cell area.maxAreaPtCornea.leftQnPoint 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 100081-9 | HealthAssure