{
  "name": "HHS AI Use Case Tracker",
  "publisher": "The Public Health AI Handbook",
  "author": "Bryan Tegomoh, MD, MPH",
  "url": "https://publichealthaihandbook.com/appendices/hhs-ai-use-case-tracker.html",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "version": "1.0.0",
  "date_modified": "2026-10-30",
  "retrieved": "2026-10-30",
  "self_reported_note": "Inventory entries are self-reported by HHS components under OMB guidance. Counts include pre-deployment, pilot, and retired entries. Public health function tags come from the tracker's keyword rules and reviewed overrides, not from HHS.",
  "hhs_inventory_page": "https://www.hhs.gov/programs/topic-sites/ai/use-cases/index.html",
  "sources": {
    "FY2025": {
      "omb_repository": "https://github.com/ombegov/2025-Federal-Agency-AI-Use-Case-Inventory",
      "omb_commit": "06c7ebeef5b376524211042bd9673b2a7fefd3e3",
      "omb_file": "Data/2025_individually_reported_AI_use_cases.csv",
      "omb_file_url": "https://github.com/ombegov/2025-Federal-Agency-AI-Use-Case-Inventory/blob/06c7ebeef5b376524211042bd9673b2a7fefd3e3/Data/2025_individually_reported_AI_use_cases.csv",
      "omb_raw_url": "https://raw.githubusercontent.com/ombegov/2025-Federal-Agency-AI-Use-Case-Inventory/06c7ebeef5b376524211042bd9673b2a7fefd3e3/Data/2025_individually_reported_AI_use_cases.csv",
      "omb_file_sha256": "a62721202ca4b110ce3c53ffdb688d05ad27a35971a7afda4f1179b2493e31d0",
      "hhs_published_csv": "https://www.hhs.gov/sites/default/files/hhs-ai-use-case-inventory-fy25.csv",
      "reporting_guidance": "OMB Memorandum M-25-21",
      "retrieved": "2026-10-30",
      "hhs_rows_extract": "data/hhs-ai-use-case-tracker/source/omb-fy2025-hhs-rows.csv",
      "hhs_rows_extract_sha256": "0e4d2511a4d56eb699ee8b56253f85d1df8af7b2f08034c915f57d4b817fe3ab",
      "hhs_rows": 447
    },
    "FY2024": {
      "omb_repository": "https://github.com/ombegov/2024-Federal-AI-Use-Case-Inventory",
      "omb_commit": "4a29d132291261d4829b187acd8af618e7295294",
      "omb_file": "data/2024_consolidated_ai_inventory_raw.csv",
      "omb_file_url": "https://github.com/ombegov/2024-Federal-AI-Use-Case-Inventory/blob/4a29d132291261d4829b187acd8af618e7295294/data/2024_consolidated_ai_inventory_raw.csv",
      "omb_raw_url": "https://raw.githubusercontent.com/ombegov/2024-Federal-AI-Use-Case-Inventory/4a29d132291261d4829b187acd8af618e7295294/data/2024_consolidated_ai_inventory_raw.csv",
      "omb_file_sha256": "9a2c9e25d41eb7b4b2e5463459c8ea78e0e02db0c15e82cc09c88e78889b40f5",
      "hhs_published_csv": "https://www.hhs.gov/sites/default/files/hhs-ai-use-cases-2024-public-inventory.csv",
      "reporting_guidance": "OMB Memorandum M-24-10",
      "retrieved": "2026-10-30",
      "hhs_rows_extract": "data/hhs-ai-use-case-tracker/source/omb-fy2024-hhs-rows.csv",
      "hhs_rows_extract_sha256": "c13e18bf53ab6043f1a9a04598c03c0beae5c05d7031728dc4a7d3c8e81890b5",
      "hhs_rows": 271
    }
  },
  "public_health_functions": {
    "surveillance": "Disease surveillance and outbreak detection",
    "forecasting": "Forecasting and modeling of disease",
    "laboratory": "Laboratory science and pathogen genomics",
    "product-safety": "Product safety and adverse event monitoring",
    "environmental-occupational": "Environmental and occupational health",
    "emergency": "Emergency preparedness and response",
    "program-integrity": "Program integrity and fraud detection",
    "communication": "Public health communication and misinformation"
  },
  "summary": {
    "FY2025": {
      "total": 447,
      "by_component": {
        "NIH": 124,
        "CDC": 103,
        "CMS": 73,
        "FDA": 67,
        "ACF": 27,
        "Office of the Secretary": 19,
        "HRSA": 18,
        "AHRQ": 8,
        "ASPR": 4,
        "SAMHSA": 4
      },
      "by_stage_as_reported": {
        "Deployed": 167,
        "Pre-deployment": 143,
        "Pilot": 88,
        "Retired": 49
      },
      "by_stage_fy2025_equivalent": {
        "Deployed": 167,
        "Pilot": 88,
        "Pre-deployment": 143,
        "Retired": 49
      },
      "not_retired": 398,
      "not_retired_by_component": {
        "NIH": 104,
        "CDC": 95,
        "CMS": 70,
        "FDA": 67,
        "Office of the Secretary": 19,
        "ACF": 18,
        "HRSA": 18,
        "ASPR": 4,
        "AHRQ": 2,
        "SAMHSA": 1
      },
      "by_topic_area_as_reported": {
        "Admin Functions": 117,
        "Health and Medical": 89,
        "IT": 87,
        "Not reported": 49,
        "Science": 48,
        "Service Delivery": 18,
        "Other": 11,
        "Emergency Mgmt": 8,
        "Procurement and Finance Mgmt": 7,
        "Benefits Processing": 5,
        "Law Enforcement": 4,
        "HR": 3,
        "Cybersecurity": 1
      },
      "by_impact_designation": {
        "Not high-impact": 432,
        "Presumed high-impact, determined not high-impact": 13,
        "High-impact": 2
      },
      "by_ai_type_as_reported": {
        "Generative AI": 140,
        "NLP": 117,
        "Classical ML": 87,
        "Not reported": 49,
        "Agentic AI": 29,
        "Computer Vision": 17,
        "Other": 8
      },
      "public_health_tagged": 72,
      "public_health_tagged_not_retired": 71,
      "by_public_health_function": {
        "surveillance": 22,
        "forecasting": 4,
        "laboratory": 16,
        "product-safety": 21,
        "environmental-occupational": 10,
        "emergency": 2,
        "program-integrity": 7,
        "communication": 1
      },
      "public_health_tagged_by_component": {
        "CDC": 40,
        "FDA": 21,
        "CMS": 5,
        "NIH": 3,
        "ACF": 1,
        "Office of the Secretary": 1,
        "ASPR": 1
      },
      "names_also_in_fy2024": 145
    },
    "FY2024": {
      "total": 271,
      "by_component": {
        "NIH": 82,
        "CDC": 55,
        "CMS": 41,
        "FDA": 27,
        "ACF": 15,
        "HHS (unspecified)": 15,
        "ASPR": 12,
        "Office of the Secretary": 8,
        "AHRQ": 6,
        "HRSA": 6,
        "SAMHSA": 4
      },
      "by_stage_as_reported": {
        "Operation and Maintenance": 104,
        "Initiated": 59,
        "Acquisition and/or Development": 57,
        "Implementation and Assessment": 35,
        "Retired": 16
      },
      "by_stage_fy2025_equivalent": {
        "Deployed": 104,
        "Pilot": 35,
        "Pre-deployment": 116,
        "Retired": 16
      },
      "not_retired": 255,
      "not_retired_by_component": {
        "NIH": 76,
        "CDC": 48,
        "CMS": 40,
        "FDA": 27,
        "HHS (unspecified)": 15,
        "ACF": 13,
        "ASPR": 12,
        "Office of the Secretary": 8,
        "AHRQ": 6,
        "HRSA": 6,
        "SAMHSA": 4
      },
      "by_topic_area_as_reported": {
        "Mission-Enabling (internal agency support)": 133,
        "Government Services (includes Benefits and Service Delivery)": 74,
        "Health & Medical": 51,
        "Law & Justice": 6,
        "Emergency Management": 4,
        "Education & Workforce": 3
      },
      "by_impact_designation": {
        "Neither rights- nor safety-impacting": 267,
        "Safety-impacting": 2,
        "Rights-impacting": 2
      },
      "by_ai_type_as_reported": {
        "Not reported": 271
      },
      "public_health_tagged": 44,
      "public_health_tagged_not_retired": 42,
      "by_public_health_function": {
        "surveillance": 18,
        "forecasting": 2,
        "laboratory": 4,
        "product-safety": 10,
        "environmental-occupational": 10,
        "emergency": 5,
        "program-integrity": 4,
        "communication": 0
      },
      "public_health_tagged_by_component": {
        "CDC": 19,
        "FDA": 10,
        "NIH": 7,
        "CMS": 5,
        "ASPR": 3
      }
    }
  },
  "changelog": [
    {
      "version": "1.0.0",
      "date": "2026-10-30",
      "change": "First release. FY2025 and FY2024 HHS inventories retrieved from the OMB consolidated inventories on October 30, 2026."
    }
  ]
}