{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-04-22",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "status": "Terminated",
      "city": "East Walpole",
      "state": "MA",
      "country": "United States",
      "classification": "Class II",
      "openfda": {},
      "product_type": "Devices",
      "event_id": "78645",
      "recalling_firm": "Siemens Healthcare Diagnostics, Inc",
      "address_1": "333 Coney St",
      "address_2": "N/A",
      "postal_code": "02032-1516",
      "voluntary_mandated": "Voluntary: Firm initiated",
      "initial_firm_notification": "Letter",
      "distribution_pattern": "US and OUS.",
      "recall_number": "Z-0515-2018",
      "product_description": "ADVIA Centaur Calibrator 30, 2 pack, 6 pack, and Ref 2 pack.  Siemens Material Number (SMN): 10379810, 10379811, 10697756.",
      "product_quantity": "5992 units (US and OUS)",
      "reason_for_recall": "Siemens Healthcare Diagnostics has confirmed a negative bias for ADVIA Centaur Enhanced Estradiol (eE2) on the ADVIA Centaur, ADVIA Centaur XP and ADVIA Centaur XPT systems when calibrating with Calibrator 30 kit lots ending in 21 (C3021) as compared to Calibrator 30 kit lots ending in 20 (C3020).",
      "recall_initiation_date": "20170607",
      "center_classification_date": "20180204",
      "termination_date": "20190508",
      "report_date": "20180214",
      "code_info": "Lot Numbers:  00387A21,  16673A21,  36243A21;    00388A21,  15448A21,  51211A21;    20640A21;  51024A21.    Expiration Date: 2018-03-08"
    }
  ]
}