LOINCActiveObservation

LOINC Code 74480-5: Clinical document Subject matter domain from LOINC Document Ontology

74480-5 is a LOINC code used to identify Clinical document Subject matter domain from LOINC Document Ontology 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 Subject matter domain. It is commonly used with the system or sample type Clinical document.

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 Subject matter domain. It is commonly used with the system or sample type Clinical document.

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: LOINC Document Ontology

What it does not mean

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

Key facts

  • Clinical document Subject matter domain from LOINC Document Ontology
  • Subject matter domain
  • Characterizes the subject matter domain (SMD) of a note.
  • Clin Doc; DOC.MISC; Finding; Findings; Logical Observation Identifiers Names and Codes; LOINC DocOnt; MISC; Nominal; Point in time; Random; SMD

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

Clinical document Subject matter domain from LOINC Document OntologyClin Doc SMD LOINC DocOntSubject matter domainDOC.MISCFindPtClinical document

Frequently asked questions

Code details

Code74480-5
SystemLOINC
Display nameClinical document Subject matter domain from LOINC Document Ontology
DescriptionSubject matter domain
Short nameClin Doc SMD LOINC DocOnt
ComponentSubject matter domain
PropertyFind
TimingPt
System (specimen)Clinical document
ScaleNom
MethodLOINC Document Ontology
ClassDOC.MISC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.46
Last changed2.46

Part names

Subject matter domainFindPtClinical documentNomLOINC Document OntologyFindingPoint 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 74480-5 | HealthAssure