LOINCActiveBoth

LOINC Code 18748-4: Diagnostic imaging study

18748-4 is a LOINC code used to identify Diagnostic imaging 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 Diagnostic imaging study. It is commonly used with the system or sample type ^Patient.

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 Diagnostic imaging study. It is commonly used with the system or sample type ^Patient.

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: Diagnostic imaging

What it does not mean

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

Key facts

  • Diagnostic imaging study
  • DOC.MISC; Document; Dx Imaging; Dx Imaging study; Finding; Findings; MISC; Point in time; Random; 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

Diagnostic imaging studyDOC.MISCFindPt^PatientDocDiagnostic imaging

Frequently asked questions

Code details

Code18748-4
SystemLOINC
Display nameDiagnostic imaging study
Short nameDiagnostic imaging study
ComponentDiagnostic imaging study
PropertyFind
TimingPt
System (specimen)^Patient
ScaleDoc
MethodDiagnostic imaging
ClassDOC.MISC
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.72

Part names

Diagnostic Imaging studyFindPt^PatientDocDiagnostic imagingFindingPoint 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 18748-4 | HealthAssure