`rxnorm_related`

Pack: rxnorm · Endpoint: https://gateway.pipeworx.io/rxnorm/mcp

Find related medications by RxCUI — brands, generics, ingredients, and dose forms. Maps between brand and generic alternatives. Use to compare drug options.

Parameters

Name	Type	Required	Description
`rxcui`	string	yes	RxNorm concept ID
`tty`	string	no	Optional term type filter: BN (brand name), IN (ingredient), SBD (semantic branded drug), SCD (semantic clinical drug), GPCK (generic pack), BPCK (branded pack). Comma-separated for multiple.

Example call

Arguments

{
  "rxcui": "7052"
}

curl

curl -X POST https://gateway.pipeworx.io/rxnorm/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"rxnorm_related","arguments":{"rxcui":"7052"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('rxnorm_related', {
  "rxcui": "7052"
});

More examples

{
  "rxcui": "1243465",
  "tty": "BN,SBD"
}

Response shape

Always returns: rxcui, related_groups

Field	Type	Description
`rxcui`	string	RxNorm concept unique identifier
`related_groups`	array	Groups of related drug concepts by term type

Full JSON Schema

{
  "type": "object",
  "properties": {
    "rxcui": {
      "type": "string",
      "description": "RxNorm concept unique identifier"
    },
    "related_groups": {
      "type": "array",
      "description": "Groups of related drug concepts by term type",
      "items": {
        "type": "object",
        "properties": {
          "term_type": {
            "type": "string",
            "description": "RxNorm term type filter applied"
          },
          "concepts": {
            "type": "array",
            "description": "Related drug concepts",
            "items": {
              "type": "object",
              "properties": {
                "rxcui": {
                  "type": "string",
                  "description": "RxNorm concept unique identifier"
                },
                "name": {
                  "type": "string",
                  "description": "Drug name"
                },
                "tty": {
                  "type": "string",
                  "description": "Term type code"
                }
              },
              "required": [
                "rxcui",
                "name",
                "tty"
              ]
            }
          }
        },
        "required": [
          "term_type",
          "concepts"
        ]
      }
    }
  },
  "required": [
    "rxcui",
    "related_groups"
  ]
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "rxnorm": {
      "url": "https://gateway.pipeworx.io/rxnorm/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

rxnorm_related