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Emergency Department Visits in Massachusetts - Data Elements

The following data elements are available with your purchase of the database or custom reports.

  • Organization DPH Number
  • Service Site ID (multi site org)
  • Sex
  • Race
  • Zip Code
  • Registration Time
  • Discharge Time
  • Type of Visit
  • Source of Visit
  • Secondary Source of Visit
  • Departure Status
  • Primary Source of Payment
  • Secondary Source of Payment
  • Charges
  • Other Caregiver Code
  • Principal Diagnosis Code
  • Up to 5 associated diagnoses
  • Significant Procedure Code
  • Up to 4 additional procedure codes
  • Emergency Severity Index
  • Principal E-Code
  • Procedure Code Type
  • Transport
  • Homeless Indicator
  • Calculated Age
  • Calculated Age in Weeks for Newborns
  • Calculated Length of Stay in hours
  • Day of Week Patient Registered
  • Month Patient Registered
  • Year Patient Registered


For more information on MHDC Data, please contact us via e-mail or at (781) 419-7800. We welcome your further questions & look forward to your participation in our work and our events!