LOINCActiveObservation

LOINC Code 79892-6: Right eye Intraocular pressure

79892-6 is a LOINC code used to identify Right eye Intraocular pressure 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 Intraocular pressure. It is commonly used with the system or sample type Eye.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 Intraocular pressure. It is commonly used with the system or sample type Eye.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: Tonometry

What it does not mean

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

Key facts

  • Right eye Intraocular pressure
  • Intraocular pressure
  • 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.TONOMETRY; EYE.TONOMETRY.NEI; Eyeball; Glaucoma testing; IOP; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Point in time; Pressure; QNT; Quan; Quant; Quantitative; R; R eye; Random; RT; 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

Right eye Intraocular pressureR eye IOP TonoIntraocular pressureEYE.TONOMETRY.NEIPresPtEye.right

Frequently asked questions

Code details

Code79892-6
SystemLOINC
Display nameRight eye Intraocular pressure
DescriptionIntraocular pressure
Short nameR eye IOP Tono
ComponentIntraocular pressure
PropertyPres
TimingPt
System (specimen)Eye.right
ScaleQn
MethodTonometry
ClassEYE.TONOMETRY.NEI
Example unitsmm Hg
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.73

Part names

Intraocular pressurePresPtEye.rightQnTonometryPressurePoint in time (spot)Right eye

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 79892-6 | HealthAssure