GET rxcui

nih.gov:rxnorm-api

Summary: Find RxCUI by name or identifier
Operation ID: getRxcui
Auth: none
Description

Get the RxCUI (RxNorm Concept Unique Identifier) for a drug name or external identifier

Parameters (3)

id (string, query, optional)

External identifier value

idtype (string, query, optional)

Type of external identifier (e.g., NDC, VUID, etc.)

name (string, query, optional)

Drug name to search for

Examples (2)

TitleTypeURLAction
Find RxCUI by name or identifier openapi-spec https://rxnav.nlm.nih.gov/REST/rxcui?name=aspirin
Find RxCUI by name or identifier openapi-spec https://rxnav.nlm.nih.gov/REST/rxcui?name=aspirin&idtype=NDC&id=0378-0408-01

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:22:56.818031 200 558ms
2026-03-23 09:05:27.924580 200 673ms

Response Changes

WhenOldNew
2026-03-23 10:22:56.818031 8ffe7bc27be0 8a2600ea692c