LOINCActiveObservation

LOINC Code 29109-6: Eye - right US 2D

29109-6 is a LOINC code used to identify Eye - right US 2D 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 Multisection. 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 Multisection. 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: US.2D

What it does not mean

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

Key facts

  • Eye - right US 2D
  • Multisection
  • 2D US; Echography; Eye; EYE.ULTRASOUND; Eyeball; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Nominal; Occular; Oculis; Ophthalmologic; Ophthalmology; Ophtho; Ophthy; Optic globe; Point in time; R; R eye; Random; RT; Sonogram; Sonograph; Sonography; ULS; Ultrasound; Ultrasound - 2-dimensional; 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 - right US 2DEye-R 2D USMultisectionEYE.USImpPtEye.right

Frequently asked questions

Code details

Code29109-6
SystemLOINC
Display nameEye - right US 2D
DescriptionMultisection
Short nameEye-R 2D US
ComponentMultisection
PropertyImp
TimingPt
System (specimen)Eye.right
ScaleNom
MethodUS.2D
ClassEYE.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.29

Part names

MultisectionImpPtEye.rightNomUS.2DImpression/interpretation of studyPoint in time (spot)Right eyeUltrasound 2D

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 29109-6 | HealthAssure