What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCObservation

LOINC Code 100077-7: Left cornea Endothelial cells counted

Name: LOINC Code 100077-7: Left cornea Endothelial cells counted
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:02.852Z

100077-7 is a LOINC code used to identify Left cornea Endothelial cells counted 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 cells counted. 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 cells counted. 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 cells counted
Endothelial cells counted
Cell; Cellularity; Cnt; Corneal; Count; EYE; L; L cornea; LT; Number; 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 cells countedL cornea Endothelial cells countedEndothelial cells countedEYE.SPECULAR MICROSCOPYNumPtCornea.left

Frequently asked questions

Code details

Code100077-7

SystemLOINC

Display nameLeft cornea Endothelial cells counted

DescriptionEndothelial cells counted

Short nameL cornea Endothelial cells counted

ComponentEndothelial cells counted

PropertyNum

TimingPt

System (specimen)Cornea.left

ScaleQn

ClassEYE.SPECULAR MICROSCOPY

Example units#

StatusTRIAL

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Part names

Endothelial cells countedNumPtCornea.leftQnNumber (count)Point 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.