LOINCActive

LOINC Code 29130-2: Left eye Weight on cornea Schistz tonometry

29130-2 is a LOINC code used to identify Left eye Weight on cornea Schistz tonometry 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 Weight on cornea. It is commonly used with the system or sample type Eye.left.

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 Weight on cornea. It is commonly used with the system or sample type Eye.left.

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
  • Method: Tonometry.Schistz

What it does not mean

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

Key facts

  • Left eye Weight on cornea Schistz tonometry
  • Weight on cornea
  • Corneal; Eye; EYE.TONOMETRY; Eyeball; Glaucoma testing; Impression tonometry; L; L eye; LT; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Point in time; QNT; Quan; Quant; Quantitative; Random; Vision; Visual; Wt

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

Left eye Weight on cornea Schistz tonometryL eye Weight on cornea SchistzWeight on corneaEYE.TONOMETRYMassPtEye.left

Frequently asked questions

Code details

Code29130-2
SystemLOINC
Display nameLeft eye Weight on cornea Schistz tonometry
DescriptionWeight on cornea
Short nameL eye Weight on cornea Schistz
ComponentWeight on cornea
PropertyMass
TimingPt
System (specimen)Eye.left
ScaleQn
MethodTonometry.Schistz
ClassEYE.TONOMETRY
Example unitsg
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.70

Part names

Weight on corneaMassPtEye.leftQnTonometry.SchistzPoint in time (spot)Left 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 29130-2 | HealthAssure