Cortexa research tool·genomics·rxnorm_extended

RxNorm Find Rxcui

Resolve a drug name to its RxNorm RXCUI (RxNorm Concept Unique Identifier) using the NLM RxNorm API. Returns one or more RXCUIs that match the drug name. RXCUI is the standard identifier needed for subsequent RxNorm lookups. No API key required. Examples: 'metformin' -> RXCUI 6809; 'warfarin' -> RXCUI 11289; 'Tylenol' -> RXCUI 161 (acetaminophen).

Livelast probed 2026-05-01 01:00Z· 84msCortexa

Status

The most recent probe succeeded. Safe to call from the agent today.

Last probed: 1d ago
Last success: 1d ago
Last latency: 84ms

Schema

JSON Schema the agent (or your API call) must match.

{
  "properties": {
    "drug_name": {
      "description": "Drug name to look up (generic, brand, or synonym). Examples: 'metformin', 'Lipitor', 'acetaminophen', 'warfarin sodium'.",
      "type": "string"
    }
  },
  "required": [
    "drug_name"
  ],
  "type": "object"
}

Examples (1)

Default RxNorm Find Rxcui call

public-safeinput

{
  "drug_name": ""
}

Expected response keys: success

Anonymous-safe example. Rate-limited; no sign-in required.

Identifiers

Catalog ID: tu_RxNorm_find_rxcui
Tool name: RxNorm_find_rxcui
Added: 2026-05-01 00:58Z
Tags: tooluniverse

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