LOINCActive

LOINC Code 18785-6: Radiology Reason for study (narrative)

18785-6 is a LOINC code used to identify Radiology Reason for study (narrative) 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 Reason for study. It is commonly used with the system or sample type Report.

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 Reason for study. It is commonly used with the system or sample type Report.

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: Radiology

What it does not mean

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

Key facts

  • Radiology Reason for study (narrative)
  • Reason for study
  • ATTACH; ATTACH.CLINRPT; Finding; Findings; Narrative; Point in time; Rad; Radiology; Random; Report; Study report

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

Radiology Reason for study (narrative)Reason for studyATTACH.CLINRPTFindPtReportNar

Frequently asked questions

Code details

Code18785-6
SystemLOINC
Display nameRadiology Reason for study (narrative)
DescriptionReason for study
ComponentReason for study
PropertyFind
TimingPt
System (specimen)Report
ScaleNar
MethodRadiology
ClassATTACH.CLINRPT
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.63

Part names

Reason for studyFindPtReportNarRadiologyFindingPoint 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 18785-6 | HealthAssure