DATASOURCE_INST InstitutionGHS, MUSC, PH, orSRHS Identifier for the institution where a patient was treated.

This is onlyavailable ifrequestinginstitutionsidentified. y n

DATASOURCE_ID Institution ID A masked unique identifier for the institution.

This is onlyavailable ifrequestinginstitutionsmasked. y n

Visit Information:

VISIT_START_DATE Visit Start Date The date when a visit was started.

Day, month, andyear areavailable. y y; shifted

VISIT_END_DATE Visit End Date The date when a visit ended.

Day, month, andyear areavailable. y y; shifted

LOS Length of StayThe length of time that a patient stayed in the hospital; seeassociated units.

This variable isnot calculatedby HSSC; it issubmitted by thehospitals. y n

LOS_UNITSUnits for Length ofStay Days The time measure associated with length of stay. y n

STATUS Visit StatusCompleted, Active, orNullified Describes whether a visit is ongoing or has ended.

Please see theVisit Statuscode sheet. y n

CLASS_CODEVisit Class(Encounter Type)

Inpatient, Outpatient,or Emergency

The 3 broad patient classes are inpatient, outpatient, andemergency.

Please see theEncounter Typecode sheet. y y

TYPE_CODEVisit Type(Encounter Subtype) There are 12 codes. Indicates with more detail the type of visit.

Please see theEncounterSubtype codesheet. y y

ADMISSION_DATE Admission Date The date the patient was admitted to the hospital.

Months, dates,and years areavailable y y; shifted

DISCHARGE_DATE Discharge DateThe date the patient was sent home (or elsewhere) from thehospital.

Months, dates,and years areavailable y y; shifted

AGE_AT_VISIT Age at Visit The patient's age in years on the date of the visit.

Calculated usingthe birthdateand date of visit. y y; shifted

ADMISSION_TYPE Admission Type There are 7 codes.Indicates the circumstances under which an inpatient visitbegan.

Please see theAdmission Typecode sheet. y

y; HSSCproject

Variable Element NameAvailable choices forthis data element Definition

Investigatorsplease note:

inCDW? in i2b2?

CDW Data Dictionary

ADMISSION_SOURCE Admission Source There are 15 codes.Indicates where the patient came from before they wereadmitted to the hospital.

Please see theAdmissionSource codesheet. y y

ACCOM_CODE Accomodation Code There are 13 codes.Indicates the patient's accommodation during their hospitalstay.

Please see theAccommodationcode sheet. y

y; HSSCproject

DISCHARGE_DISPOSITIONDischargeDisposition There are 22 codes.

Indicates where it was planned for the patient to go whenthey were discharged from the hospital.

Please see theDischargeDisposition codesheet. y

y; HSSCproject

FINANCIAL_CLASS_GROUPFinancial ClassGroup

Commericial,Government, Self-insured, or Other The patient's broad category of insurance/payor.

Please see theFinancial Classcode sheet. y

y; HSSCproject

HOSPITAL_SERVICE_GROUPHospitalService Group There are 42 codes.

Indicates the clinical/medical specialty area for the type ofservices received.

Please see theHospital ServiceGroup codesheet. y

y; HSSCproject

APRDRG APR DRGAll Patient Refined Diagnosis Related Group used forMedicare payment.

Available fromGHS andMUSC. y n

MSDRG MSDRGMedicare Severity Diagnosis Related Group required forMedicare payment.

Available fromGHS only. y n

CITY City Patient's city of residence at time of visit. y nSTATE State Patient's state of residence at time of visit. y n

ZIP Zip Patient's zip code of residence at time of visit. yn; see urbanrural

COUNTY County Patient's county of residence at time of visit. y nPatient's Personal andDemographic Information:

FIRST_NAME First Name Patient's first name y nMIDDLE_NAME Middle Name Patient's middle name y nLAST_NAME Last Name Patient's last name y n

TITLE Title Dr, MD, Rev Patient's title or prefixRarelypopulated y n

SUFFIX Suffix Jr, Sr, I, II, III, IV Patient's suffixRarelypopulated y n

BIRTH_DATE Birth Date Patient's date of birth

Day, month, andyear areavailable. y y; shifted

AGE Age Patient's age y y; shifted

SEX Sex M, F, Unknown Patient's standardized gender

Please see theGender codesheet. y

y; HSSCproject

Variable Element NameAvailable choices forthis data element Definition

Investigatorsplease note:

inCDW? in i2b2?

CDW Data Dictionary

SSNSocial SecurityNumber Patient's social security number

This dataelement isavailable onlyfor the purposeof merging withotherdatabases. y n

MRNMedical RecordNumber Patient's medical record number

This field can berequested withpatient consentor with IRBapproval. y n

MARITAL_STATUS Marital Status There are 6 choices. Patient's standardized marital status

Please see theMarital Statuscode sheet. y

y; HSSCproject

LANGUAGE Language There are 16 choices. Primary language spoken by the patient

Please see theLanguage codesheet. y

y; HSSCproject

ETHNICITY Ethnicity There are 10 choices. Patient's standardized ethnicity

Please see theEthnicity codesheet. y

y; HSSCproject

RACE Race There are 10 choices. Patient's standardized race

Please see theRace codesheet. y

y; HSSCproject

RELIGION Religion There are 37 choices. Patient's indicated religious preference

Please see theReligion codesheet. y

y; HSSCproject

DECEASED_IND Deceased Indicator Y, N Indicator of whether the patient died in the hospital.

Does notinclude deathregistry data;this is onlyrecorded ifpatient died inhospital. y y

DEATH_DATE Death Date Patient's date of death, if applicable and known.

This is onlyrecorded ifpatient died inhospital. y n

Patient's Address Information:

ADDR_1 Address Line 1 Patient's home address, line 1. y nADDR_2 Address Line 2 Patient's home address, line 2. y nADDR_3 Address Line 3 Optional third address line. y n

CITY City Patient's current city of residence y nSTATE State Patient's current state of residence y nZIP Zip Patient's current zip code or postal code.

Variable Element NameAvailable choices forthis data element Definition

Investigatorsplease note:

inCDW? in i2b2?

CDW Data Dictionary

COUNTY County Patient's current county of residence y nCOUNTRY Country Patient's current country of residence y n

URBAN_RURALUrban/RuralClassification NCHS Urban-Rural Classification Scheme for Counties

Pleasesee Urban/RuralClassificationcode sheet. y y

HOME_PHONE Home Phone Patient's home phone y nWORK_PHONE Work Phone Patient's work phone y n

MILITARY_STATUS Military StatusActive, Retired, orDeceased Patient's standardized military status

Please seeMilitary Statuscode sheet. y y

MILITARY_BRANCH Military Branch Patient's past or present military branch y nMILITARY_RANK Military Rank Patient's past or present military rank y nDiagnosis and ProcedureInformation:

DX_CODE Diagnosis Code The 3-to-5 digit code used to specify the diagnosis. y y

DX_CODE_TYPEDiagnosis CodingSystem ICD-9 The schema or version of coding system (eg. ICD-9).

Currently onlyICD-9 is used.We anticipateconverting toICD-10 in 2015. y y

DX_SEQUENCE Diagnosis Sequence Sequential ordering of the diagnoses in a single hospital visit. y n

DX_TYPE Diagnosis Type There are 4 choices.Type of diagnosis: admitting, discharge, intermediate, orunspecified.

Please seeDiagnosis Typecode sheet. y n

DIAGNOSIS_DATE Diagnosis Date The date of the diagnosis.

Months, dates,and years areavailable y y; shifted

DX_SEVERITY Diagnosis Severity Severity of the diagnosis symptoms y nPROC_CODE Procedure Code The 3-to-5 digit code used to specify the procedure. y y

PROC_CODE_TYPEProcedure CodingSystem ICD-9 The schema or version of coding system (eg. ICD-9).

Currently onlyICD-9 is used.We anticipateconverting toICD-10 in 2015. y y

PROC_SEQUENCEProcedureSequence

Sequential ordering of procedures done in a single hospitalvisit. y n

PROC_START_DATEProcedure StartDate The date on which a procedure started.

Months, dates,and years areavailable. y y; shifted

PROC_END_DATE Procedure End Date The date on which a procedure was completed.

Months, dates,and years areavailable. y y; shifted

Variable Element NameAvailable choices forthis data element Definition

Investigatorsplease note:

inCDW? in i2b2?

CDW Data Dictionary

Medical Provider Information:

PROVIDER_ID Provider ID CDW’s unique identifier for a provider. y nFIRST_NAME First Name Provider's first name y nMIDDLE_NAME Middle Name Provider's middle name y nLAST_NAME Last Name Provider's last name y nSUFFIX Suffix Provider's suffix, if applicable y n

PROVIDER_TYPE Provider Type There are 4 choices. The general type of provider.

Please see theProvider Typecode sheet. y n

FUNCTION_CODE Function Code There are 14 choices. Code indicating the provider’s role in this particular visit.

Please see theProviderFunction codesheet. y n

Ordered MedicationsInformation:

Medications that have been ordered for a patient during aninpatient hospital stay.

ORDER_PROVIDER_ID Order Provider ID Unique identifier for the provider ordering the medication. y nORDER_NUM Order Number Ties all administrations of the medication to the order. y n

ORDER_STATUS Order StatusAborted, Active, New,Nulified, Suspended The state of completion of the medication order.

Please see theMedicationOrder Statuscode sheet. y n

START_DATE Start Date Start date of the medication

Months, dates,and years areavailable. y y; shifted

END_DATE End Date End date of the medication

Months, dates,and years areavailable. y y; shifted

MED_CODE Medication Code Code for medication ordered y y

MED_CODE_TYPEMedication CodingSystem Type of code - RxNorm y y

FREQUENCY Frequency There are 17 choices. Frequency of the medication to be administered y yDOSE_QUANTITY Dose Quantity Dose of the medication ordered or the rate of the IV y n

DOSE_UNIT Dose Unit Units associated with dose (e.g. milliliters, drams)This data is notstandardized. y n

DOSE_FORM Dose Form Tablet, capsule, etc.Units assoicated with the dose quantity; can be expressed asweight, voume, or number of dosage forms (mg, mL)

This data is notstandardized. y n

STRENGTH Strength Strength of the medication dose (e.g. mg, units) y n

ROUTE Route There are 46 choices.The physical method through which the medication enters thebody.

Please see theRoute ofAdministrationcode sheet. y y

PRIORITY Priority Routine or STAT The priority of the medication

Please see theMedicationPriority codesheet. y y

Variable Element NameAvailable choices forthis data element Definition

Investigatorsplease note:

inCDW? in i2b2?

CDW Data Dictionary

GIVE_RATE_AMT Give Rate Amount The dose of medication over the time frame (e.g. mL/hr) y n

MAX_DAILY_DOSEMaximum DailyDose

The maximum amount of medication the patient should get ina day. y n

MAX_DAILY_DOSE_UNITMaximum DailyDose Unit The units associated with the maximum daily dose. y n

MAX_DOSE_QUANTITY Max Dose The maximum amount of medication to be administered. y nMAX_DOSE_UNIT Max Dose Unit The units associated with the maximum dose. y n

MAX_GIVE_RATE_AMTMax Give RateAmount The maximum medication dosing rate to be administered. y n

MAX_GIVE_RATE_UNIT Max Give Rate Unit The units associated with the maximum give rate. y n

ORDER_AS_WRITTEN Order As Written Written instructions provided by the prescribing provider.

The is a freetext dataelement. y n

Administered MedicationsInformation:

Medications that have been given to a patient during aninpatient hospital stay.

MED_ORDER_ID Medication Order ID Unique identifier to link back to a specific medication order. y n

ADMIN_PROVIDER_IDAdministrationProvider ID

Unique identifier for the provider administering themedication. y n

MED_CODE Medication Code Code for medication administered y y

MED_CODE_TYPEMedication CodeType Type of code - RxNorm y y

ADMIN_START_DATEAdministration StartDate The date the medication started being administered

Months, dates,and years areavailable. y y; shifted

ADMIN_END_DATEAdministration EndDate The date the medication stopped being administered

Months, dates,and years areavailable. y y; shifted

ADMIN_STATUSAdministrationStatus

Active, Completed, orNullified The status of the medication administration.

Please see theMedicationAdministrationStatus codesheet. y n

DOSE_QUANTITY Dose QuantityThe amount of the medication administered in one dose. Alsodescribes the rate of IV administration.

This data is notstandardized y n

DOSE_UNIT Dose Unit The unit associated with the dose quantity.This data is notstandardized y n

DOSE_FORM Dose Form

Physical form associated with the dose quantity; can beexpressed as weight, voume, or number of dosage forms(mg, mL).

This data is notstandardized y n

ROUTERoute ofadministration There are 47 choices.

The physical method through which the medication enters thebody.

Please see theRoute ofAdministrationcode sheet. y y

SITESite ofadministration There are 17 choices.

The area of the patient's body where the medication isadministered, if applicable.

Please see theSite ofAdministrationcode sheet. y n

Variable Element NameAvailable choices forthis data element Definition

Investigatorsplease note:

inCDW? in i2b2?

CDW Data Dictionary

Code ValuesCC Coronary CareED Emergency DepartmentIC Intensive CareMC Intermediate CareNU NurseryO ObstetricOP OutpatientOT OtherPR PrivateSP Special ProgramST Short Term CareSV Semi-PrivateWD Ward

Accommodation Code

Code ValuesCR Clinic ReferralED Emergency DepartmentHR HMO ReferralLW Court/LawNB NewbornNF Non Health Care FacilityPR Physician ReferralPV Physician ServiceTA Transfer - Outpatient SurgeryTD Transfer - Other HospitalTI Transfer - Within HospitalTN Transfer - Skilled Nursing FacilityTO Transfer - OtherTP Transfer - HospiceUNK Unknown

Admission Source

Code ValuesE EmergencyN NewbornO ObstetricR ElectiveTM TraumaU UrgentUNK Unknown

Admission Type

Code ValuesN No (Living)Y Yes (Deceased)

Deceased Index

Code ValuesADMDX Admitting DiagnosisDISDX Discharge DiagnosisDX Unspecified DiagnosisINTDX Intermediate Diagnosis

Diagnosis Type

Code ValuesADM Admitted To HospitalAHF Hospice FacilityAHH Hospice HomeAHR Routine To Home Or Self CareAIV Home With Home Health And IVALW Court / LawAMA Left Against Medical AdviceANI Home With Home Health And No IVATA Assisted LivingATC Critical Access HospitalATE Extended Care Nursing FacilityATH Short Term HospitalATI Intermediate Care FacilityATL Acute Long Term Care FacilityATM Transfer Mental Health CenterATO Other FacilityATS Skilled Nursing FacilityATX Rehab FacilityDAZ Died At HomeDBZ Died In Medical FacilityDCZ Died Place UnknownUNK Unknown

Discharge Disposition

Code ValuesED Emergency / TraumaIG Inpatient GeneralIO Inpatient OtherIX Inpatient TransferOB Outpatient ObservationOG Outpatient GeneralOO Outpatient OtherOR Outpatient SeriesOS Outpatient SurgeryOT OtherOV Outpatient ServiceTC Transitional Care

Encounter Subtype

Code ValuesO OutpatientI InpatientE Emergency

Encounter Type

Code ValuesAfrican American African AmericanAmerican Indian Or Alaska Native American Indian Or Alaska NativeAsian Indian Asian IndianHispanic Or Latino Hispanic Or LatinoMore Than One Race More Than One RaceNot Hispanic Or Latino Not Hispanic Or LatinoOther Race Other RaceRefused Declaration Refused DeclarationUnknown UnknownWhite White

Ethnicity

Code ValuesCOMM CommercialGOVT GovernmentOTHR OtherSELF Self-Pay and UninsuredUNK Unknown

Financial Class

Code ValuesF FemaleM MaleU Unknown

Gender

Code ValuesADA Alcohol Drug TreatmentALL AllergyALL AllergyANS AnesthesiologyCAR CardiologyDEN DentistryDER DermatologyEMS Emergency MedicineEND EndocrinologyENT OtolaryngologyEYE OphthalmologyFMD Family MedicineGIN GastroenterologyGYN GynecologyHOS HospitalistsICU Intensive CareIDX Infectious DiseaseLTC Long Term CareMED Internal MedicineNEP NephrologyNRU NeurologyNSU NeuroscienceOBS ObstetricsOBV ObservationONC OncologyOPD Outpatient DepartmentORS Oral SurgeryORT OrthopedicPAL Palliative CarePAT PathologyPED PediatricsPOD PodiatryPSU Plastic SurgeryPSY PsychiatryPUL PulmonaryRAD RadiologyREC RecoveryREH Rehab MedicineRHU RheumatologySUR SurgeryUNK UnknownURO Urology

Hospital Service Group

Code ValuesARA ArabicCHI ChineseENG EnglishFRE FrenchGER GermanITA ItalianJPN JapaneseKOR KoreanOTH OtherPOL PolishPOR PortugeseRUS RussianSGN Sign languagesSOM SomaliSPA SpanishVIE Vietnamese

Language

Code ValuesD DivorcedT Domestic PartnerW WidowedS SingleL Legally SeparatedM Married

Marital Status

Code Valuesactive Active (ongoing)completed Completednullified Canceled

Medication Administration Status

Code Values0-1HR Every 0 to 1 hours1-6HR Every 1 to 6 hours7-12HR Every 7 to 12 hours13-18HR Every 13 to 18 hours19-24HR Every 19 to 24 hours25-36HR Every 25 to 36 hours37-48HR Every 37 to 48 hours49-72HR Every 49 to 72 hours>72HR Intervals greater than 72 hoursAC Before MealsAN As Needed (PRN)CC With FoodCONT ContinuouslyHS At BedtimeONCE OncePREOP PreoperativeSTAT Immediately

Medication Frequency

Code ValuesAborted AbortedActive Active (ongoing)New NewNullified CanceledSuspended Suspended

Medication Order Status

Code ValuesROUTINE RoutinelySTAT Immediately

Medication Priority

Code ValuesACTIVE Active militaryDECEASED Prior Duty, Now DeceasedRETIRED Retired militaryUnknown Unknown

Military Status

Code ValuesADMPHYS Admitting PhysicianANESTH AnesthesiologistATND_DOC Attending Physician

CARE_DOCDoctor Involved in Care of PatientDuring Stay

CONS_DOC Consulting Physician During StayER_DOC Emergency Room PhysicianMUSC_ADD_REF MUSC Referring PhysicianPCP Primary Care ProviderPREREG_CLERK Pre-Admission/Pre-Registration ClerkPRISURG Primary SurgeonREF_DOC Referring PhysicianREG_CLERK Admission/Registration ClerkSURGEON Performing SurgeonTEAM_DOC Team Physician

Provider Function

Code ValuesADM AdmittingATND AttendingCON ConsultingREF Referring

Provider Type

Code ValuesAfrican American African AmericanAmerican Indian Or Alaska Native American Indian Or Alaska NativeAsian AsianHispanic Or Latino Hispanic Or LatinoMore Than One Race More Than One RaceNative Hawaiian Or Other PacificIslander

Native Hawaiian Or Other PacificIslander

Other Race Other RaceRefused Declaration Refused DeclarationUnknown UnknownWhite White

Race

Code ValuesAfrican Methodist Episcopal African Methodist EpiscopalAssembly Of God Assembly Of GodBaptist BaptistBrethren BrethrenBuddhist BuddhistCatholic CatholicChristian ChristianChristian Science Christian ScienceChurch of Christ Church of ChristCongregational CongregationalDisciples Of Christ Disciples Of ChristEpiscopalian EpiscopalianEvangelical EvangelicalFriends (Quakers) Friends (Quakers)Greek Orthodox Greek OrthodoxIndependent IndependentJehovah Witnesses Jehovah WitnessesJewish JewishLatter Day Saints Latter Day SaintsLutheran LutheranMethodist MethodistMission Covenant Mission CovenantMormon MormonMoslem MoslemNazarene NazareneNo Religious Preference No Religious PreferenceOther Religion Other ReligionPentecostal PentecostalPresbyterian PresbyterianProtestant, No Denomination Protestant, No DenominationReformed ReformedSalvation Army Salvation ArmySeventh Day Adventist Seventh Day AdventistSunni (Islam) Sunni (Islam)Unitarian UnitarianUnited Church Of Christ United Church Of ChristUnknown Unknown

Religion

Code Values Code ValuesBUCCAL Buccally T-URETH TransurethralDENTAL Dentally TOPIC TopicallyE-TRACHE Endotracheal TRACHEAL IntratrachealEPIDUR Epidural UROGEN UrogenitalFT Feeding tube VAGIN VaginallyI-ARTER Intra-arterialI-ARTIC Intra-articularI-BILI Intra-hepaticI-CAUDAL Caudal blockI-CAVIT Intra-cavitaryI-DERMAL Intra-dermalI-DURAL Intra-dermalI-OCUL Intra-ocularI-PERITON Intra-peritonealI-PLEURAL Intra-pleuralI-SPINAL Intra-lumbar or intra-spinalI-UTER intra-uterineI-VENTRIC Intra-ventricularIM Intra-muscularIMPLANT ImplantINFIL InfiltrationINHAL InhaledINJECT InjectedIRRIG IrrigationIT IntrathecalIV IntravenousNASAL NasallyOPHTHALM Opthalmic - one or both eyesORAL OrallyOTHER OtherOTIC Otally - one or both earsPERCUT PercutaneousRECTAL RectallyS-CONJUNC Sub-conjunctivalSC SubcutaneousSL Sub-lingualT-DERMAL TransdermalT-ESOPHAG TransesophagealT-LINGUAL TranslingualT-MUCOS Trans-mucosalT-PYLORIC Transpyloric

Route of Administration

Code ValuesL ARM left armL CHEST left chestL GLUTEUS left gluteusL MASTOID left mastoidL SHOULDER left shoulderL THIGH left thighLLA left lower abdomenORAL oralR CHEST right chestR GLUTEUS right gluteusR MASTOID right mastoidR SHOULDER right shoulderR THIGH right thighR ARM right armRLA right lower abdomenRUA right upper abdomenSCRO scrotum

Site of Administration

Code Values1 Large Central Metro2 Large Fringe Metro3 Medium Metro4 Small Metro5 Micropolitan (Nonmetropolitan)6 Noncore (Nonmetropolitan)

Urban/Rural Classification

Code Valuescompleted Completedactive Active (ongoing)nullified Cancelled

Visit Status