Visit Admit DtTm field

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Data Element (edit)
Field Name: Visit_Admit_DtTm
CCMDB Label: Visit Admit DtTm
CCMDB tab: Dispo
Table: L_Log table
Data type: date
Length: not stated
Program: Med and CC
Created/Raw: Raw
Start Date: Jan 1, 2003
End Date: 2300-01-01
Sort Index: 42

This field is used only as an identifier to combine data from the same hospitalization and should not be used as a date.

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Legacy implementation right in the table

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The field it is automatically populated from Cognos EPR Report. For reference only, it contains the first entry in the visit location history in EPR for current visit at a hospital site.


The field is used as an identifier of a hospital encounter at your site. The info is used to:

  • link together ICU and Ward admissions during the same hospital visit
  • uniquely identify patient visits to Manitoba Health when we exchange data with them

We obtain this item from the ADT system (via Cognos) and it does not always accurately identify the timing of hospital admission. THUS, we are only using it as an identifier to link.

  • The Statistician must not give this field to anyone requesting data from the database to avoid being misused.

Collection Instruction

If a patient needs to be entered other than through Cognos   
  • In EPR find Patient
  • Under Patient Info tab
  • in the Summary Views on the left, click on Visit History
  • find the earliest entry of an Inpatient Type for your current hospital admission
  • enter the Admit/Reg date/time from the first column as your Visit Admit DtTm field in CCMDB.accdb
    • for this field, you must use the date/time in the EPR, and not from patient chart notes.

Important NOTE: All collector must look exactly in the same place in the EPR to get this information as indicated in the instructions above. EPR lists the time the pt became an inpatient as this time.

Data Use

This data is used to understand Length of Stay and for linking.

Data Integrity Checks (automatic list)

Link suspect not same visitAdmitDtTm queryCentralized data front end.accdbimplemented


This field is part of the 2016 Time and Place changes.

It is being added to simplify the old linking - if we have the hospital admit date and time, we are done linking, none of the previous complex process will be needed any longer.

Start date and early data

  • at some point before 2021-01-01 we started getting this field directly from Cognos, likely from the beginning of using Cognos.
  • July 1, 2016 - Data collectors entering the data from EPR
  • Jan 1, 2003 to June 30,2016 - generated Pseudo Visit Date_time
    • Julie has generated "pseudo - Visit Admit DtTm" data for records from Jan 1, 2003 until June 30,2016 based on "Accept DtTm" or "Arrive DtTm" to facilitate linking those as well. This data was imported using temporary query 2017-01-17_pseudoVisitAdmit_update in centralized_data.mdb
  • before Jan 1, 2003 has a Visit Admit DtTm of null

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