LOINC Code 21829-7: Institution data source Registry message
21829-7 is a LOINC code used to identify Institution data source Registry message 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 Institution data source. It is commonly used with the system or sample type Registry message.
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 Institution data source. It is commonly used with the system or sample type Registry message.
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
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- Institution data source Registry message
- Institution data source
- A unique code that represents the data transmission source. This item identifies the central or facility registry that transmits the record. Used to track data submission flow and to resolve transmission issues... NAACCR Data Standards and Data Dictionary Version 11
- Facility; Ident; Identifier; Inst data source; Nominal; Point in time; Random; Srce; TUMOR REGISTRY(NAACCR)
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
Frequently asked questions
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.