LOINCActiveObservation

LOINC Code 74735-2: Health data repository Nom (Repository) [ID]

74735-2 is a LOINC code used to identify Health data repository Nom (Repository) [ID] 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 Health data repository. It is commonly used with the system or sample type Repository.

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 Health data repository. It is commonly used with the system or sample type Repository.

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

What it does not mean

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

Key facts

  • Health data repository [Identifier]
  • Health data repository
  • The identifier (i.e. OID, Organization ID) for a health data repository (e.g. donor registry, immunization registry, national repository, etc.). In clinical context, the use of the term "repository" covers "clinical registries".
  • Ident; Identifier; MISC; Nominal; Point in time; Random; Registry; shared health data

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

Health data repository Nom (Repository) [ID]Health data repository [Identifier]Health data repository IDHealth data repositoryMISCHealth data repository, RepositoryID

Frequently asked questions

Code details

Code74735-2
SystemLOINC
Display nameHealth data repository Nom (Repository) [ID]
DescriptionHealth data repository
Short nameHealth data repository ID
ComponentHealth data repository
PropertyID
TimingPt
System (specimen)Repository
ScaleNom
ClassMISC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.48
Last changed2.58

Consumer names

Health data repository, Repository

Part names

Health data repositoryIDPtRepositoryNomIdentifierPoint 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 74735-2 | HealthAssure