Massachusetts Ambulance Trip Record Information System (MATRIS) Data Elements
Version 1.5 – Effective 12/15/2010 (Supersedes Version 1.4, 3/19/2009, Version 1.3, 5/1/08 and Version 1.2, 9/1/06)
per A/R 5-403: Statewide EMS Minimum Data Set

Data Element Name	NEMSIS Element	
911 Call Volume per Year	D01_14	
Age	E06_14	
Age Units	E06_15	
Airbag Deployment	E10_09	
Alcohol/Drug Use Indicators	E12_19	
Any Return of Spontaneous Circulation	E11_06	
Area of the Vehicle impacted by the collision	E10_05	
Arrest Witnessed by	E11_04	
Arrived at Patient Date/Time	E05_07	
Barriers to Patient Care	E12_01	
Cardiac Arrest	E11_01	
Cardiac Arrest Etiology	E11_02	
Cardiac Rhythm	E14_03	
Cardiac Rhythm on Arrival at Destination	E11_11	
Cause of Injury	E10_01	
Chief Complaint	E09_05	
Chief Complaint Anatomic Location	E09_11	
Chief Complaint Organ System	E09_12	
CMS Service Level	E07_34	
Complaint Reported by Dispatch	E03_01	
Condition Code Number	E07_35	
Crew Member ID	E04_01	
Crew Member Level	E04_03	
Crew Member Role	E04_02	
Current Medications	E12_14	
Date of Birth	E06_16	
Date/Time Medication Administered	E18_01	
Date/Time Procedure Performed Successfully	E19_01	
Date/Time Vital Signs Taken	E14_01	
DBP (Diastolic Blood Pressure)	E14_05	
Destination City	E20_04	
Destination Facility Number	D04_14	
Destination GPS Location	E20_08	
Destination State	E20_05	
Destination Street Address	E20_03	
Destination Type	D04_15	
Destination Zip Code	E20_07	
Destination/Transferred To, Code	E20_02	
Destination/Transferred To, Name	E20_01	
Duration of Chief  Complaint	E09_06	
ECG Interpretation	E21_07	
ECG Lead	E21_06	
EMD Performed	E03_02	
EMS Agency County	D01_04	
EMS Agency Number	D01_01	
EMS Agency Number	E02_01	
EMS Agency State	D01_03	
EMS Agency Time Zone	D01_19	
EMS Dispatch Volume per Year	D01_15	
EMS Patient Contact Volume per Year	D01_17	
EMS Transport Volume per Year	D01_16	
EMS Unit Call Sign (Radio Number)	E02_12	
Ethnicity	E06_13	
Event Date/Time	E21_01	
First Monitored Rhythm of the  Patient	E11_05	
Gender	E06_11	
Glasgow Coma Score-Eye	E14_15	
Glasgow Coma Score-Motor	E14_17	
Glasgow Coma Score-Qualifier	E14_18	
Glasgow Coma Score-Verbal	E14_16	
Incident Address	E08_11	
Incident City	E08_12	
Incident Location Type	E08_07	
Incident Number	E02_02	
Incident or Onset Date/Time	E05_01	
Incident State	E08_14	
Incident ZIP Code	E08_15	
Incident/Patient Disposition	E20_10	
Level of Responsiveness	E14_22	
Level of Service	D01_07	
Mass Casualty Incident	E08_06	
Mechanism of Injury	E10_03	
Medical/Surgical History	E12_10	
Medication Allergies	E12_08	
Medication Complication	E18_08	
Medication Given	E18_03	
Medications Given	D04_06	
National Provider Identifier	D01_21	
Number of Patients at Scene	E08_05	
Number of Procedure Attempts	E19_05	
Organization Status	D01_09	
Organizational Type	D01_08	
Other Associated Symptoms	E09_14	
Outcome of the Prior Aid	E09_03	
Pain Scale	E14_23	
Patient Arrived at Destination Date/Time	E05_10	
Patient Care Report Number	E01_01	
Patient's Home Address	E06_04	
Patient's Home City	E06_05	
Patient's Home State	E06_07	
Patient's Home Zip Code	E06_08	
Possible Injury	E09_04	
Primary Method of Payment	E07_01	
Primary Role of the Unit	E02_05	
Primary Symptom	E09_13	
Prior Aid	E09_01	
Prior Aid Performed by	E09_02	
Procedure	E19_03	
Procedure Complication	E19_07	
Procedure Successful	E19_06	
Procedures	D04_04	
Provider’s Primary Impression	E09_15	
Provider’s Secondary Impression	E09_16	
PSAP Call Date/Time	E05_02	
Pulse Oximetry	E14_09	
Pulse Rate	E14_07	
Race	E06_12	
Reason CPR Discontinued	E11_10	
Reason for Choosing Destination	E20_16	
Respiratory Rate	E14_11	
Response Mode to Scene	E02_20	
Resuscitation Attempted	E11_03	
Revised Trauma Score	E14_27	
SBP (Systolic Blood Pressure)	E14_04	
Scene GPS Location	E08_10	
Seat Row Location of Patient in Vehicle	E10_06	
Software Creator	E01_02	
Software Name	E01_03	
Software Version	E01_04	
Statistical Year	D01_10	
Stroke Scale	E14_24	
Time Units of Duration of Chief Complaint	E09_07	
Total Glasgow Coma Score	E14_19	
Total Number of Shocks	E21_10	
Total Service Area Population	D01_13	
Total Service Size Area	D01_12	
Transfer of Patient Care Date/Time	E05_08	
Transport Mode from Scene	E20_14	
Type of Destination	E20_17	
Type of Dispatch Delay	E02_06	
Type of Response Delay	E02_07	
Type of Scene Delay	E02_08	
Type of Service Requested	E02_04	
Type of Transport Delay	E02_09	
Type of Turn-Around Delay	E02_10	
Unit Arrived on Scene Date/Time	E05_06	
Unit Back at Home Location Date/Time	E05_13	
Unit Back in Service Date/Time	E05_11	
Unit En Route Date/Time	E05_05	
Unit Left Scene Date/Time	E05_09	
Unit Notified by Dispatch Date/Time	E05_04	
Use of Occupant Safety Equipment	E10_08	
Vehicular Injury Indicators	E10_04