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.

LOINCActiveObservation

LOINC Code 96209-2: Left rods Function compared to previous assessment by ERG

Name: LOINC Code 96209-2: Left rods Function compared to previous assessment by ERG
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:27.590Z

96209-2 is a LOINC code used to identify Left rods Function compared to previous assessment by ERG 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 Function compared to previous assessment. It is commonly used with the system or sample type Rods.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 Function compared to previous assessment. It is commonly used with the system or sample type Rods.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: Electroretinogram

What it does not mean

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

Key facts

Left rods Function compared to previous assessment by ERG
Function compared to previous assessment
Comp func; ERG; EYE; EYE.ERG; FCN; Finding; Findings; Func; Funct; L; L rods; LT; Ophthalmology; Ophtho; Ophthy; Ordinal; Point in time; Prev; QL; Qual; Qualitative; Random; Screen

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 rods Function compared to previous assessment by ERGL rods Comp func ERGFunction compared to previous assessmentEYE.ERGFindPtRods.left

Frequently asked questions

Code details

Code96209-2

SystemLOINC

Display nameLeft rods Function compared to previous assessment by ERG

DescriptionFunction compared to previous assessment

Short nameL rods Comp func ERG

ComponentFunction compared to previous assessment

PropertyFind

TimingPt

System (specimen)Rods.left

ScaleOrd

MethodElectroretinogram

ClassEYE.ERG

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.69

Last changed2.69

Part names

Function compared to previous assessmentFindPtRods.leftOrdElectroretinogramFindingPoint in time (spot)Left rodsERG

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.