{
  "code": "DIF",
  "deviceName": "Drug Mixture Control Materials",
  "deviceClass": "I",
  "regulationNumber": "862.3280",
  "panel": "Clinical Toxicology",
  "definition": null,
  "submissionTypeId": "4",
  "submissionType": "510(k)",
  "clearances": {
    "total": 202,
    "last12Months": 0
  },
  "adverseEvents": {
    "total": 0,
    "last12Months": 0
  },
  "reviewDays": {
    "median": 37,
    "sampleSize": 202
  },
  "recalls": {
    "total": 10,
    "recent": [
      {
        "resNumber": "Z-0404-2022",
        "status": "Terminated",
        "recallClass": "Class II",
        "firm": "MEDLINE INDUSTRIES, LP - Northfield",
        "firmAsPublished": "MEDLINE INDUSTRIES, LP - Northfield",
        "reason": "Affected product was shipped from the warehouse at room temperature instead of the required refrigerated environment.",
        "initiated": "2021-11-30"
      },
      {
        "resNumber": "Z-1552-2020",
        "status": "Terminated",
        "recallClass": "Class II",
        "firm": "QUIDEL CARDIOVASCULAR INC",
        "firmAsPublished": "QUIDEL CARDIOVASCULAR INC",
        "reason": "Due to an error in the programming of the Control CODE CHIP module for this lot, a failing result is inappropriately displayed for AMP and mAMP. This issue results in the Triage Meter displaying a failing control result for the AMP and mAMP tests when the control did  not fail.",
        "initiated": "2019-04-09"
      },
      {
        "resNumber": "Z-0911-2018",
        "status": "Terminated",
        "recallClass": "Class II",
        "firm": "Ortho-Clinical Diagnostics, Inc.",
        "firmAsPublished": "Ortho-Clinical Diagnostics",
        "reason": "This product is not meeting the current storage labeling for unopened VITROS DAT Performance Verifiers causing customers to obtain lower than expected VITROS BENZ results when using this control.",
        "initiated": "2017-09-22"
      },
      {
        "resNumber": "Z-0912-2018",
        "status": "Terminated",
        "recallClass": "Class II",
        "firm": "Ortho-Clinical Diagnostics, Inc.",
        "firmAsPublished": "Ortho-Clinical Diagnostics",
        "reason": "This product is not meeting the current storage labeling for unopened VITROS DAT Performance Verifiers causing customers to obtain lower than expected VITROS BENZ results when using this control.",
        "initiated": "2017-09-22"
      },
      {
        "resNumber": "Z-0913-2018",
        "status": "Terminated",
        "recallClass": "Class II",
        "firm": "Ortho-Clinical Diagnostics, Inc.",
        "firmAsPublished": "Ortho-Clinical Diagnostics",
        "reason": "This product is not meeting the current storage labeling for unopened VITROS DAT Performance Verifiers causing customers to obtain lower than expected VITROS BENZ results when using this control.",
        "initiated": "2017-09-22"
      }
    ]
  },
  "recentClearances": [
    {
      "kNumber": "K153474",
      "deviceName": "Detectabuse Liquid Control Urine, Detectabuse Stat-Skreen Liquid Control Urine, Detectabuse Liquid Control Urine, AU/NZ, Detectabuse Liquid Control Urine, Immunoassay Series, Detectabuse Liquid Control Urine, GC/MS and Confirm series",
      "applicant": "Biochemical Diagnostics, Inc.",
      "company": "Biochemical Diagnostics Inc",
      "decisionDate": "2016-02-23",
      "dateReceived": "2015-12-02"
    },
    {
      "kNumber": "K132688",
      "deviceName": "SALIVABUSE LIQUID ORAL FLUID CONTROL, SALIVABUSE LIQUID ORAL FLUID CONTROL, AU/NZ",
      "applicant": "Biochemical Diagnostics, Inc.",
      "company": "Biochemical Diagnostics Inc",
      "decisionDate": "2013-12-16",
      "dateReceived": "2013-08-28"
    },
    {
      "kNumber": "K132174",
      "deviceName": "MULTICHEM WBT",
      "applicant": "Techno-Path Manufacturing , Ltd.",
      "company": "TECHNO-PATH MANUFACTURING LTD.",
      "decisionDate": "2013-09-20",
      "dateReceived": "2013-07-15"
    },
    {
      "kNumber": "K121122",
      "deviceName": "DETECTABUSE LIQUID CONTROL, DETECTABUSE STAT-SKREEN LIQUID CONTROL",
      "applicant": "Biochemical Diagnostic, Inc.",
      "company": "Biochemical Diagnostic, Inc.",
      "decisionDate": "2012-07-03",
      "dateReceived": "2012-04-13"
    },
    {
      "kNumber": "K121143",
      "deviceName": "LIQUICHEK WHOLE BLOOD IMMUNOSUPPRESSANT CONTROL TILEVEL (1,2 AND 3)",
      "applicant": "Bio-Rad Laboratories",
      "company": "Bio-Rad Laboratories, Inc.",
      "decisionDate": "2012-05-18",
      "dateReceived": "2012-04-16"
    },
    {
      "kNumber": "K120504",
      "deviceName": "LIQUICHEK URINE TOXICOLOGY CONTROL, S10 & S10 MINIPAK, LIQUICHEK URINE TOXICOLOGY CONTROL, LEVEL S20 & LEVEL S20 MINIPAK",
      "applicant": "Bio-Rad Laboratories, Inc.",
      "company": "Bio-Rad Laboratories, Inc.",
      "decisionDate": "2012-03-27",
      "dateReceived": "2012-02-21"
    },
    {
      "kNumber": "K103656",
      "deviceName": "THERMO SCIENTIFIC MAS R DOA TOTAL",
      "applicant": "Microgenics Corporation",
      "company": "Microgenics Corporation",
      "decisionDate": "2011-03-24",
      "dateReceived": "2010-12-15"
    },
    {
      "kNumber": "K093577",
      "deviceName": "LIQUICHEK OPIATE CONTROL",
      "applicant": "Bio-Rad Laboratories",
      "company": "Bio-Rad Laboratories, Inc.",
      "decisionDate": "2010-03-12",
      "dateReceived": "2009-11-18"
    },
    {
      "kNumber": "K080085",
      "deviceName": "MAS TOX CONTROL",
      "applicant": "Thermo Fisher Scientific",
      "company": "Thermo Fisher Scientific",
      "decisionDate": "2008-04-30",
      "dateReceived": "2008-01-11"
    },
    {
      "kNumber": "K080183",
      "deviceName": "CONTROL SET DAT I, CONTRL SET DAT II, CONTROL SET DAT III, CONTROL SET AMPHETAMINE 1000 AND CONTROL SET AMPHETAMINE 500",
      "applicant": "Roche Diagnostics Corp.",
      "company": "Roche Diagnostics Corporation",
      "decisionDate": "2008-03-25",
      "dateReceived": "2008-01-25"
    }
  ],
  "topApplicants": [
    {
      "name": "Bio-Rad",
      "count": 31
    },
    {
      "name": "Roche Diagnostic Systems, Inc.",
      "count": 14
    },
    {
      "name": "Medical Analysis Systems, Inc.",
      "count": 13
    },
    {
      "name": "Syva Co.",
      "count": 13
    },
    {
      "name": "Utak Laboratories, Inc.",
      "count": 13
    }
  ],
  "topCompanies": [
    {
      "name": "Bio-Rad",
      "count": 31,
      "spellings": 1
    },
    {
      "name": "Roche Diagnostic Systems, Inc.",
      "count": 14,
      "spellings": 1
    },
    {
      "name": "Medical Analysis Systems, Inc.",
      "count": 13,
      "spellings": 1
    },
    {
      "name": "Syva Co.",
      "count": 13,
      "spellings": 1
    },
    {
      "name": "Utak Laboratories Inc",
      "count": 13,
      "spellings": 1
    }
  ],
  "newEntrants": [],
  "baseline": {
    "months": [],
    "sufficientMonths": 0,
    "method": null
  },
  "signal": {
    "summary": "DIF (Drug Mixture Control Materials): nothing changed in the six FDA sources we watch.",
    "severity": 1,
    "factors": [],
    "sourcesChecked": [
      "predicate ancestry",
      "recalls",
      "adverse events",
      "new entrants",
      "review time",
      "crowding"
    ]
  },
  "predicatePreview": {
    "edges": [],
    "note": "FDA publishes no machine-readable predicate field, so no predicate chain is recorded for this code yet."
  },
  "sources": [
    {
      "label": "classification",
      "url": "https://api.fda.gov/device/classification.json?search=product_code%3ADIF"
    },
    {
      "label": "510k total",
      "url": "https://api.fda.gov/device/510k.json?search=product_code%3ADIF"
    },
    {
      "label": "510k recent decisions",
      "url": "https://api.fda.gov/device/510k.json?search=product_code%3ADIF"
    },
    {
      "label": "recalls",
      "url": "https://api.fda.gov/device/recall.json?search=product_code%3ADIF"
    },
    {
      "label": "enforcement",
      "url": "https://api.fda.gov/device/enforcement.json?search=openfda.product_code%3ADIF"
    },
    {
      "label": "adverse events total",
      "url": "https://api.fda.gov/device/event.json?search=device.device_report_product_code%3ADIF"
    },
    {
      "label": "registrations",
      "url": "https://api.fda.gov/device/registrationlisting.json?search=products.product_code%3ADIF"
    }
  ],
  "provenance": [
    {
      "dataset": "device/510k",
      "loadedAt": "2026-08-10T19:40:09Z",
      "ingestRun": 51,
      "exportDate": "2026-08-08"
    },
    {
      "dataset": "device/classification",
      "loadedAt": "2026-08-10T06:54:18Z",
      "ingestRun": 2,
      "exportDate": "2026-08-08"
    },
    {
      "dataset": "device/enforcement",
      "loadedAt": "2026-08-10T19:40:12Z",
      "ingestRun": 53,
      "exportDate": "2026-08-04"
    },
    {
      "dataset": "device/event",
      "loadedAt": "2026-08-11T13:49:57Z",
      "ingestRun": 73,
      "exportDate": "2026-08-11"
    },
    {
      "dataset": "device/recall",
      "loadedAt": "2026-08-10T19:40:11Z",
      "ingestRun": 52,
      "exportDate": "2026-08-08"
    },
    {
      "dataset": "device/registrationlisting",
      "loadedAt": "2026-08-10T07:06:24Z",
      "ingestRun": 10,
      "exportDate": "2026-08-08"
    }
  ],
  "retrievedAt": "2026-08-11T13:51:45.674Z"
}
