LOINCActiveBoth

LOINC Code 97100-2: Colonoscopy+US Study

97100-2 is a LOINC code used to identify Colonoscopy+US Study 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 Colonoscopy and endoscopic ultrasound study. 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 Colonoscopy and endoscopic ultrasound study. 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: Both
  • Method: Colonoscopy+US

What it does not mean

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

Key facts

Colonoscopy+US Study
Colonoscopy and endoscopic ultrasound study
This term represents a combined colonoscopy with lower endoscopic ultrasound (EUS). For a colonoscopy study by itself, use [LOINC18746-8]
Colonoscopy+US Study; Document; Echography; Endo US study; Finding; Findings; GI.ENDO; LGI; Low; Point in time; Random; Sonogram; Sonograph; Sonography; Study report; ULS; Ultrasound

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+US StudyColonoscopy and endoscopic ultrasound studyENDO.GIFindPtLower GI tractDoc

Frequently asked questions

Code details

Code97100-2
SystemLOINC
Display nameColonoscopy+US Study
DescriptionColonoscopy and endoscopic ultrasound study
Short nameColonoscopy+US Study
ComponentColonoscopy and endoscopic ultrasound study
PropertyFind
TimingPt
System (specimen)Lower GI tract
ScaleDoc
MethodColonoscopy+US
ClassENDO.GI
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.70
Last changed2.72

Part names

Colonoscopy and endoscopic ultrasound studyFindPtLower GI tractDocColonoscopy+USFindingPoint 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 97100-2 | HealthAssure