LOINCActiveObservation

LOINC Code 79900-7: Eye Nystagmus amplitude

79900-7 is a LOINC code used to identify Eye Nystagmus amplitude 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 Nystagmus amplitude. It is commonly used with the system or sample type Eye.

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 Nystagmus amplitude. It is commonly used with the system or sample type Eye.

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

  • Eye Nystagmus amplitude
  • Nystagmus amplitude
  • Eye; EYE.PX; EYE.PX.NEI; Eyeball; Finding; Findings; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Vision; Visual

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

Eye Nystagmus amplitudeEye Nystagmus ampNystagmus amplitudeEYE.PX.NEIFindPtEye

Frequently asked questions

Code details

Code79900-7
SystemLOINC
Display nameEye Nystagmus amplitude
DescriptionNystagmus amplitude
Short nameEye Nystagmus amp
ComponentNystagmus amplitude
PropertyFind
TimingPt
System (specimen)Eye
ScaleOrd
ClassEYE.PX.NEI
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Nystagmus amplitudeFindPtEyeOrdFindingPoint in time (spot)

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 79900-7 | HealthAssure