{
  "schema_version": "2.0",
  "record_type": "dataset",
  "tier": "verified",
  "slug": "rxnorm",
  "name": "RxNorm",
  "summary": {
    "en": "License: restricted (LicenseRef-National-Library-of-Medicine-terms); Mdexa hosting: link-only. a restricted part cannot be separated or the boundary is unstated: strictest part applies Risk flag(s): derived.",
    "zh": "许可证声明：受限（LicenseRef-National-Library-of-Medicine-terms）；本站处理：只链接原出处。受限的部分无法分离或边界未说明，取最严。来源风险标记：derived。"
  },
  "systems": [
    "modern-medicine",
    "cross-cutting"
  ],
  "domains": [
    "pharmacy-drugs",
    "standards-terminology"
  ],
  "content_types": [
    "terminology-coding-system"
  ],
  "content_description": {
    "en": "RxNorm provides normalized names for clinical drugs and links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software.",
    "zh": "RxNorm 为临床药物提供规范化名称，并将其名称与药房管理和药物相互作用软件中常用的多种药物词表建立链接。"
  },
  "languages": [
    "en"
  ],
  "modalities": [
    "text"
  ],
  "size": {
    "raw": null,
    "measures": []
  },
  "publisher": "National Library of Medicine",
  "year": {
    "value": null,
    "raw": null
  },
  "license": {
    "legacy_status": "pending",
    "spdx": "LicenseRef-National-Library-of-Medicine-terms",
    "commercial_use": "conditional",
    "derivatives": "unstated",
    "redistribution": "conditional",
    "rationale": {
      "en": "a restricted part cannot be separated or the boundary is unstated: strictest part applies",
      "zh": "受限的部分无法分离或边界未说明，取最严"
    },
    "evidence": [
      {
        "location": "terms-page",
        "location_detail": {
          "en": "Statement found in snapshot s02 (page)",
          "zh": "在快照 s02（page）中找到的声明"
        },
        "excerpt": "The full RxNorm dataset includes government-created and proprietary names and codes for clinical drugs. A free UMLS license is required to download the full RxNorm monthly and weekly releases.",
        "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html",
        "verified_on": "2026-11-12",
        "snapshot_id": "s02",
        "observed": "page",
        "captured_by": "pipeline"
      },
      {
        "location": "site-policy",
        "location_detail": {
          "en": "Statement found in snapshot s02 (page)",
          "zh": "在快照 s02（page）中找到的声明"
        },
        "excerpt": "The RxNorm terminology normalized names and codes (e.g. RXCUI) within the RxNorm dataset is created by the National Library of Medicine (NLM) and is in the public domain as it is created by the U.S. government.",
        "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html",
        "verified_on": "2026-11-12",
        "snapshot_id": "s02",
        "observed": "page",
        "captured_by": "pipeline"
      },
      {
        "location": "site-policy",
        "location_detail": {
          "en": "Statement found in snapshot s02 (page)",
          "zh": "在快照 s02（page）中找到的声明"
        },
        "excerpt": "Public domain information may be freely distributed and copied within and outside the U.S., but it is requested that in any subsequent use, NLM be given appropriate acknowledgement.",
        "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html",
        "verified_on": "2026-11-12",
        "snapshot_id": "s02",
        "observed": "page",
        "captured_by": "pipeline"
      },
      {
        "location": "terms-page",
        "location_detail": {
          "en": "Statement found in snapshot s02 (page)",
          "zh": "在快照 s02（page）中找到的声明"
        },
        "excerpt": "The full RxNorm dataset includes proprietary data from various terminology providers , each with a specific Source Restriction Level (SRL) category.",
        "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html",
        "verified_on": "2026-11-12",
        "snapshot_id": "s02",
        "observed": "page",
        "captured_by": "pipeline"
      },
      {
        "location": "terms-page",
        "location_detail": {
          "en": "Statement found in snapshot s02 (page)",
          "zh": "在快照 s02（page）中找到的声明"
        },
        "excerpt": "make known in a clear and conspicuous manner that the products/services/applications do not reflect the most current/accurate data available from NLM.",
        "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html",
        "verified_on": "2026-11-12",
        "snapshot_id": "s02",
        "observed": "page",
        "captured_by": "pipeline"
      },
      {
        "location": "site-policy",
        "location_detail": {
          "en": "Statement found in snapshot s03 (terms-page)",
          "zh": "在快照 s03（terms-page）中找到的声明"
        },
        "excerpt": "Works produced by the U.S. government are not subject to copyright protection in the United States. Any such works found on National Library of Medicine (NLM) Web sites may be freely used or reproduced without permission in the U.S.",
        "url": "https://www.nlm.nih.gov/web_policies.html",
        "verified_on": "2026-11-13",
        "snapshot_id": "s03",
        "observed": "page",
        "captured_by": "browser-agent",
        "capturer": "browser-agent",
        "captured_at": "2026-11-13",
        "page_title": "NLM Web Policies (Copyright section)",
        "final_url": "https://www.nlm.nih.gov/web_policies.html",
        "text_sha256": "fd00f1ef33fbdaec306d79ae99e77195de4952880492cfde5c78f6c2f832ccd1"
      },
      {
        "location": "site-policy",
        "location_detail": {
          "en": "Statement found in snapshot s03 (terms-page)",
          "zh": "在快照 s03（terms-page）中找到的声明"
        },
        "excerpt": "Transmission or reproduction of copyrighted items (beyond that allowed by fair use as defined in the U.S. copyright laws) requires the written permission of the copyright holders.",
        "url": "https://www.nlm.nih.gov/web_policies.html",
        "verified_on": "2026-11-13",
        "snapshot_id": "s03",
        "observed": "page",
        "captured_by": "browser-agent",
        "capturer": "browser-agent",
        "captured_at": "2026-11-13",
        "page_title": "NLM Web Policies (Copyright section)",
        "final_url": "https://www.nlm.nih.gov/web_policies.html",
        "text_sha256": "fd00f1ef33fbdaec306d79ae99e77195de4952880492cfde5c78f6c2f832ccd1"
      },
      {
        "location": "terms-page",
        "location_detail": {
          "en": "Statement found in snapshot s02 (page)",
          "zh": "在快照 s02（page）中找到的声明"
        },
        "excerpt": "Section 12 of the Unified Medical Language System (UMLS) license agreement describes the categories and specific restrictions on how a terminology can be used.",
        "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html",
        "verified_on": "2026-11-12",
        "snapshot_id": "s02",
        "observed": "page",
        "captured_by": "pipeline"
      },
      {
        "location": "upstream-terms",
        "location_detail": {
          "en": "Upstream UMLS Metathesaurus: terms cited from the snapshot of card umls",
          "zh": "上游 UMLS Metathesaurus 的条款，引自 umls 卡的快照"
        },
        "excerpt": "LICENSEE is prohibited from distributing the UMLS Metathesaurus or subsets of it, including individual vocabulary sources within the Metathesaurus, except (a) as an integral part of computer applications developed by LICENSEE for a purpose other than redistribution of vocabulary sources contained in",
        "url": "https://www.nlm.nih.gov/research/umls/knowledge_sources/metathesaurus/release/license_agreement.html",
        "verified_on": "2026-11-13",
        "snapshot_id": "s01",
        "observed": "page",
        "source_card": "umls",
        "relation": "upstream",
        "captured_by": "pipeline"
      }
    ],
    "license_conditions": [
      "keep-current"
    ],
    "license_parts": [
      {
        "name": {
          "en": "main data",
          "zh": "主体数据"
        },
        "spdx": "LicenseRef-PublicDomain",
        "status": "restricted",
        "separable": true,
        "evidence": {
          "excerpt": "The full RxNorm dataset includes government-created and proprietary names and codes for clinical drugs. A free UMLS license is required to download the full RxNorm monthly and weekly releases.",
          "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html",
          "snapshot_id": "s02"
        }
      },
      {
        "name": {
          "en": "RxNorm terminology normalized names and codes (e.g. RXCUI)",
          "zh": "RxNorm terminology normalized names and codes (e.g. RXCUI)"
        },
        "spdx": "LicenseRef-PublicDomain",
        "status": "permissive",
        "separable": true,
        "evidence": {
          "excerpt": "The RxNorm terminology normalized names and codes (e.g. RXCUI) within the RxNorm dataset is created by the National Library of Medicine (NLM) and is in the public domain as it is created by the U.S. government.",
          "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html",
          "snapshot_id": "s02"
        }
      },
      {
        "name": {
          "en": "proprietary data from various terminology providers",
          "zh": "proprietary data from various terminology providers"
        },
        "spdx": "NOASSERTION",
        "status": "restricted",
        "separable": false,
        "evidence": {
          "excerpt": "The full RxNorm dataset includes proprietary data from various terminology providers , each with a specific Source Restriction Level (SRL) category.",
          "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html",
          "snapshot_id": "s02"
        }
      }
    ],
    "custom_license": true,
    "notes": {
      "en": "agency policy: The RxNorm terminology normalized names and codes (e.g. RXCUI) within the RxNorm dataset is created by the National Libr; national-law caveat: public-domain status follows the law of the publishing country and may differ elsewhere",
      "zh": "agency policy: The RxNorm terminology normalized names and codes (e.g. RXCUI) within the RxNorm dataset is created by the National Libr; national-law caveat: public-domain status follows the law of the publishing country and may differ elsewhere"
    },
    "review": {
      "method": "rules-plus-second-pass-model",
      "method_label": {
        "en": "Judged by public rules and checked a second time before listing.",
        "zh": "按公开规则判定，经二次核对后收录。"
      },
      "readings": [
        {
          "restatement": {
            "en": "Lenient reading: the sentences that fit no class are not counted as limits.",
            "zh": "宽读法：归不了类的句子不算作限制。"
          },
          "quotes": [
            {
              "excerpt": "Section 12 of the Unified Medical Language System (UMLS) license agreement describes the categories and specific restrictions on how a terminology can be used.",
              "snapshot_id": "s02",
              "url": null
            },
            {
              "excerpt": "Public domain information may be freely distributed and copied within and outside the U.S., but it is requested that in any subsequent use, NLM be given appropriate acknowledgement.",
              "snapshot_id": "s02",
              "url": null
            }
          ],
          "values": {
            "license_status": "restricted",
            "commercial_use": "unstated",
            "derivatives": "unstated",
            "redistribution": "unstated"
          },
          "source": "rules"
        },
        {
          "restatement": {
            "en": "a restricted part cannot be separated or the boundary is unstated: strictest part applies",
            "zh": "受限的部分无法分离或边界未说明，取最严"
          },
          "quotes": [
            {
              "excerpt": "The full RxNorm dataset includes government-created and proprietary names and codes for clinical drugs. A free UMLS license is required to download the full RxNorm monthly and weekly releases.",
              "snapshot_id": "s02",
              "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html"
            },
            {
              "excerpt": "The RxNorm terminology normalized names and codes (e.g. RXCUI) within the RxNorm dataset is created by the National Library of Medicine (NLM) and is in the public domain as it is created by the U.S. government.",
              "snapshot_id": "s02",
              "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html"
            },
            {
              "excerpt": "Public domain information may be freely distributed and copied within and outside the U.S., but it is requested that in any subsequent use, NLM be given appropriate acknowledgement.",
              "snapshot_id": "s02",
              "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html"
            },
            {
              "excerpt": "The full RxNorm dataset includes proprietary data from various terminology providers , each with a specific Source Restriction Level (SRL) category.",
              "snapshot_id": "s02",
              "url": "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html"
            }
          ],
          "values": {
            "license_status": "restricted",
            "commercial_use": "conditional",
            "derivatives": "unstated",
            "redistribution": "conditional"
          },
          "source": "rules"
        }
      ],
      "adopted": 1,
      "second_pass": {
        "reviewer": "model-second-pass",
        "reviewed_at": "2026-11-13",
        "overall": "stricter",
        "agreed": true,
        "disagreement": null,
        "missed_restrictions": [
          {
            "excerpt": "Section 12 of the Unified Medical Language System (UMLS) license agreement describes the categories and specific restrictions on how a terminology can be used.",
            "snapshot_id": "s02",
            "effect": "具体使用限制在 UMLS 许可协议第12条，快照未含：derivatives、redistribution 的专有部分取值须取证后复核。",
            "class": "A?"
          },
          {
            "excerpt": "Public domain information may be freely distributed and copied within and outside the U.S., but it is requested that in any subsequent use, NLM be given appropriate acknowledgement.",
            "snapshot_id": "s02",
            "effect": "license_conditions 加 attribution。",
            "class": "A?"
          }
        ],
        "routing": [
          "missed sentence, class A?: Section 12 of the Unified Medical Language System (UMLS) license agreement describes the c",
          "missed sentence, class A?: Public domain information may be freely distributed and copied within and outside the U.S."
        ]
      }
    }
  },
  "license_status": "restricted",
  "hosting": "link-only",
  "hosting_reason": {
    "en": "License restricted, judged by public rules and checked by a second-pass model. Link only.",
    "zh": "许可证状态：restricted，按公开规则判定并经第二遍模型复核。仅链接。"
  },
  "signoff": null,
  "risk_flags": [
    "derived"
  ],
  "provenance": {
    "source_description": null,
    "upstream": [
      {
        "slug": null,
        "name": "UMLS Metathesaurus",
        "relation": "derived-from"
      }
    ]
  },
  "known_issues": [
    {
      "en": "Downloading the full RxNorm monthly and weekly releases requires a free UMLS license.",
      "zh": "下载完整的 RxNorm 月度与周度发布版本需要免费的 UMLS 许可证。"
    },
    {
      "en": "The full dataset mixes public-domain NLM names and codes with proprietary terminology data that carries source-specific restrictions.",
      "zh": "完整数据集将公共领域的 NLM 名称与代码与带有来源特定限制的专有术语数据混合在一起。"
    }
  ],
  "preflight": {
    "status": "not-run"
  },
  "access": {
    "mdexa_download": null,
    "external_urls": [
      "https://www.nlm.nih.gov/research/umls/rxnorm/",
      "https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html"
    ],
    "notes": null
  },
  "citation": {
    "text": null,
    "references": [
      "10.1136/amiajnl-2011-000116"
    ]
  },
  "verification_level": "verified",
  "last_verified": "2026-11-13",
  "tags": [
    {
      "facet": "specialty",
      "value": "pharmacy",
      "basis": "inferred",
      "inferred_from": "card-content-description",
      "excerpt": "RxNorm provides normalized names for clinical drugs and links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software",
      "snapshot_id": "s01"
    },
    {
      "facet": "source_type",
      "value": "knowledge-base",
      "basis": "inferred",
      "inferred_from": "card-content-description",
      "excerpt": "RxNorm provides normalized names for clinical drugs and links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software",
      "snapshot_id": "s01"
    },
    {
      "facet": "source_type",
      "value": "official-publication",
      "basis": "inferred",
      "inferred_from": "card-content-description",
      "excerpt": "The RxNorm terminology normalized names and codes (e.g. RXCUI) within the RxNorm dataset is created by the National Library of Medicine (NLM) and is in the public domain as it is created by the U.S. government.",
      "snapshot_id": "s02"
    },
    {
      "facet": "task_format",
      "value": "term-normalization",
      "basis": "inferred",
      "inferred_from": "card-content-description",
      "excerpt": "RxNorm provides normalized names for clinical drugs",
      "snapshot_id": "s01"
    },
    {
      "facet": "intended_use",
      "value": "retrieval-kb",
      "basis": "inferred",
      "inferred_from": "card-content-description",
      "excerpt": "RxNorm provides normalized names for clinical drugs and links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software",
      "snapshot_id": "s01"
    }
  ],
  "changelog": [
    {
      "date": "2026-11-13",
      "change": {
        "en": "Listed on 2026-11-13. Judged by public rules and checked a second time before listing.",
        "zh": "2026-11-13 上架。按公开规则判定，经二次核对后收录。"
      }
    }
  ],
  "_links": {
    "text": "在本库继续查找。本条目是 109 条已处理并核实的记录之一（数据集、数据资源与开源模型）。查找其他条目：调用 `https://mcp.mdexa.com/v1/datasets?q=<关键词>`，或连接 MCP 服务 `https://mcp.mdexa.com/mcp`；每分钟 20 次以内无需密钥。每行返回不到 1 KB；空结果即\"数据库未收录\"。核对一份清单：一次批量核对（免费账号）即返回报告。说明：/agents.md。相似条目：ATC/DDD Index (https://mdexa.com/zh/datasets/atc-ddd/)；DrugCentral (https://mdexa.com/zh/datasets/drugcentral/)；openFDA (https://mdexa.com/zh/datasets/openfda/)。",
    "records": 109,
    "search": {
      "template": "https://mcp.mdexa.com/v1/datasets?q={words}",
      "example": "https://mcp.mdexa.com/v1/datasets?q=%E7%BB%93%E5%90%88%E4%BA%B2%E5%92%8C%E5%8A%9B"
    },
    "mcp": "https://mcp.mdexa.com/mcp",
    "anonymous_calls_per_minute": 20,
    "guide": "https://mdexa.com/zh/agents.md",
    "faq": "https://mdexa.com/zh/developers/faq/",
    "similar": [
      {
        "name": "ATC/DDD Index",
        "url": "https://mdexa.com/zh/datasets/atc-ddd/",
        "json": "https://mdexa.com/zh/datasets/atc-ddd.json"
      },
      {
        "name": "DrugCentral",
        "url": "https://mdexa.com/zh/datasets/drugcentral/",
        "json": "https://mdexa.com/zh/datasets/drugcentral.json"
      },
      {
        "name": "openFDA",
        "url": "https://mdexa.com/zh/datasets/openfda/",
        "json": "https://mdexa.com/zh/datasets/openfda.json"
      }
    ]
  }
}