Receipt of this file requires that the requester sign a confidentiality agreement. Data providers are notified of data requests and a 10-day comment period is imposed.

• Hospital Code
• Medical Record Number (Encrypted)
• Date of Birth
• Patient Gender
• Patient Age
• Patient Residence - Town/ County Code
• Patient Residence - Zip Code
• Patient Residence - Hospital Service Area (35)
• Patient Residence - Health Planning Area (66)
• Date of Admission
• Hour of Admission
• Date of Discharge
• Hour of Discharge
• Patient Disposition
• Source of Admission
• Type of Admission
• Admitting Diagnosis
• Length of Stay
• ICD-9 Principal Diagnosis
• ICD-9 Other Diagnoses 1 - 8
• ICD-9 Principal Procedure
• Principal Procedure Date
• ICD-9 Other Procedures 1 - 6
• Other Procedure Dates 1 - 6
• E-Codes
• Birth Weight (< 30 Days Old)
• DRG - All Patient
• MDC - All Patient
• DRG - HCFA
• MDC - HCFA
• Attending Practitioner Specialty Code
• Attending Practitioner Number (MHDO ID Encrypted)
• Operating Practitioner Specialty Code
• Operating Practitioner Number (MHDO ID Encrypted)
• Primary Payer ID
• Primary Payer Name
• Secondary Payers ID 1-2
• Revenue Codes
• Charges by Revenue Codes¹
• Total Accommodation Charges¹
• Ancillary Revenue Codes
• Total Ancillary Charges¹
• Hospital Based Practitioner Charges¹
• Total Charges¹

¹Beginning with 2003 data, charge information is no longer available.