LOINCActiveObservation

LOINC Code 28023-0: Colonoscopy Study observation

28023-0 is a LOINC code used to identify Colonoscopy Study observation 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 Study observation. It is commonly used with the system or sample type Lower GI tract.

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 Study observation. It is commonly used with the system or sample type Lower GI tract.

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: Colonoscopy

What it does not mean

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

Key facts

  • Colonoscopy Study observation
  • Study observation
  • Finding; Findings; Gastro; Gastroenterology; GI; GI.ENDO; LGI; Low; Nominal; Studies; Study; Study report; Sutdies

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

Colonoscopy Study observationColonoscopy StudyStudy observationENDO.GIFindStdyLower GI tract

Frequently asked questions

Code details

Code28023-0
SystemLOINC
Display nameColonoscopy Study observation
DescriptionStudy observation
Short nameColonoscopy Study
ComponentStudy observation
PropertyFind
TimingStdy
System (specimen)Lower GI tract
ScaleNom
MethodColonoscopy
ClassENDO.GI
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Study observationFindStdyLower GI tractNomColonoscopyFindingStudy

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 28023-0 | HealthAssure