LOINCActiveObservation

LOINC Code 79799-3: Electroretinography device Vendor name [Identifier]

79799-3 is a LOINC code used to identify Electroretinography device Vendor name [Identifier] 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 Vendor name. It is commonly used with the system or sample type ERG device.

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 Vendor name. It is commonly used with the system or sample type ERG device.

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

What it does not mean

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

Key facts

  • Electroretinography device Vendor name [Identifier]
  • Vendor name
  • This term was developed in collaboration with the National Institute of Health's National Eye Institute (NEI) as part of an effort to standardize the data elements collected by the National Ophthalmic Disease Genotyping and Phenotyping Network (eyeGENE).
  • EYE; EYE.ERG; EYE.ERG.NEI; Ident; Identifier; Nominal; Ophthalmology; Ophtho; Ophthy; Point in time; 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

Electroretinography device Vendor name [Identifier]ERG device Vendor nameVendor nameEYE.ERG.NEIIDPtERG device

Frequently asked questions

Code details

Code79799-3
SystemLOINC
Display nameElectroretinography device Vendor name [Identifier]
DescriptionVendor name
Short nameERG device Vendor name
ComponentVendor name
PropertyID
TimingPt
System (specimen)ERG device
ScaleNom
ClassEYE.ERG.NEI
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.68

Part names

Vendor nameIDPtERG deviceNomIdentifierPoint in time (spot)Electroretinography device

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 79799-3 | HealthAssure