LOINCObservation

LOINC Code 78200-3: Resource identifier Nom (Study)

78200-3 is a LOINC code used to identify Resource identifier Nom (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 Resource identifier. It is commonly used with the system or sample type Study.

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 Resource identifier. It is commonly used with the system or sample type Study.

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: TRIAL
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Resource identifier [URI] for Study
  • Resource identifier
  • MISC; Nominal; Point in time; Random

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

Resource identifier Nom (Study)Resource identifier [URI] for StudyResource ID URI StudyResource identifierMISCResource identifier, StudyURI

Frequently asked questions

Code details

Code78200-3
SystemLOINC
Display nameResource identifier Nom (Study)
DescriptionResource identifier
Short nameResource ID URI Study
ComponentResource identifier
PropertyURI
TimingPt
System (specimen)Study
ScaleNom
ClassMISC
StatusTRIAL
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.54

Consumer names

Resource identifier, Study

Part names

Resource identifierURIPtStudyNomPoint 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 78200-3 | HealthAssure