natalizumab Injection [Tysabri]

RxNorm concept 1656272, branded dose form (sbdf).

RxCUI: 1656272
Term type: Branded dose form (SBDF)
Status: Active

Request

curl https://api.healthcare.dev/v1/drugs/rxnorm/1656272 \
  -H "Authorization: Bearer $HDEV_API_KEY"

Concept

Ingredients and related concepts

Ingredients

natalizumab 354770

Related concepts

Injection (DF, has dose form)
Tysabri (BN, has ingredient)
natalizumab Injection (SCDF, tradename of)

Linked data

NDCs

RxNorm links no NDCs to this concept.

Use it

Look up 1656272 from code or an agent

curl

curl https://api.healthcare.dev/v1/drugs/rxnorm/1656272 \
  -H "Authorization: Bearer $HDEV_API_KEY"

MCP prompt

Using the healthcare.dev MCP server, look up RxNorm concept 1656272. Tell me its name and term type, its ingredients and related concepts, and the NDCs linked to it.

Get a free key RxNorm docs Connect the MCP server

Source: U.S. National Library of Medicine, release 2026-10-05. No license required (Current Prescribable Content). Reference data, not medical advice.