LOINCActiveObservation

LOINC Code 79764-7: Type of Tonometer

79764-7 is a LOINC code used to identify Type of Tonometer 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 Tonometer. It is commonly used with the system or sample type Tonometry 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 Tonometer. It is commonly used with the system or sample type Tonometry 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

  • Type of Tonometer
  • Tonometer
  • 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; Glaucoma testing; Nominal; Ophthalmology; Ophtho; Ophthy; Point in time; Random; Tono device; Typ

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

Type of TonometerTonometerEYE.TONOMETRY.NEITypePtTonometry deviceNom

Frequently asked questions

Code details

Code79764-7
SystemLOINC
Display nameType of Tonometer
DescriptionTonometer
Short nameType of Tonometer
ComponentTonometer
PropertyType
TimingPt
System (specimen)Tonometry device
ScaleNom
ClassEYE.TONOMETRY.NEI
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

TonometerTypePtTonometry deviceNomPoint 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 79764-7 | HealthAssure