LOINCActiveObservation

LOINC Code 79797-7: Flicker response wave implicit time Right retina light-adapted by ERG

79797-7 is a LOINC code used to identify Flicker response wave implicit time Right retina light-adapted 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 Flicker response wave implicit time^light-adapted. It is commonly used with the system or sample type Retina.right.

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 Flicker response wave implicit time^light-adapted. It is commonly used with the system or sample type Retina.right.

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

  • Flicker response wave implicit time Right retina light-adapted by ERG
  • Flicker response wave implicit time^light-adapted
  • 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).
  • ERG; EYE; EYE.ERG; EYE.ERG.NEI; Flicker resp wave impl time; Ophthalmology; Ophtho; Ophthy; Point in time; QNT; Quan; Quant; Quantitative; R; R ret; Random; RT

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

Flicker response wave implicit time Right retina light-adapted by ERGFlick resp wave imp time Ret-R lt-ad ERGFlicker response wave implicit time^light-adaptedEYE.ERG.NEITimePtRetina.right

Frequently asked questions

Code details

Code79797-7
SystemLOINC
Display nameFlicker response wave implicit time Right retina light-adapted by ERG
DescriptionFlicker response wave implicit time^light-adapted
Short nameFlick resp wave imp time Ret-R lt-ad ERG
ComponentFlicker response wave implicit time^light-adapted
PropertyTime
TimingPt
System (specimen)Retina.right
ScaleQn
MethodElectroretinogram
ClassEYE.ERG.NEI
Example unitsms
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Flicker response wave implicit time^light-adaptedTimePtRetina.rightQnElectroretinogramTime (e.g. seconds)Point in time (spot)Right retinaERG

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 79797-7 | HealthAssure