GET /REST/rxcui/{rxcui}
Summary: Get concept by RxCUI
Operation ID: getConceptByRxcui
Auth: none
Operation ID: getConceptByRxcui
Auth: none
Description
Returns the name of a concept given its RxCUI.
Parameters (1)
rxcui
(string, path, required)
The RxNorm Concept Unique Identifier
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| Get concept name for aspirin | curl |
https://rxnav.nlm.nih.gov/REST/rxcui/213190 |
|
| Get concept name for ibuprofen | curl |
https://rxnav.nlm.nih.gov/REST/rxcui/198211 |
|
| Get concept name for acetaminophen | curl |
https://rxnav.nlm.nih.gov/REST/rxcui/314231 |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:43:02.067852 | 200 | 558ms | |
| 2026-03-23 10:23:59.330616 | 200 | 1600ms | |
| 2026-03-23 09:42:22.662205 | 200 | 563ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 10:23:59.330616 | 8a2600ea692c |
a32de2e9a608 |
| 2026-03-23 10:43:02.067852 | a32de2e9a608 |
f7e0e0e858eb |