Once logged in, click on either 'Adult', 'Pediatric', or 'Partial' (depending on which type of cases you'll be submitting) followed by 'Submit File' found on the top navigation bar.

The current measurement period is automatically selected. If you are submitting data using a previous dictionary/template, please select the correct measurement period for uploading from the drop down box shown.  

Hit the 'Browse' button to open up a file select dialog. Select the .csv or .txt file containing one or more rows of sepsis data and click 'OK'.

The name of the file you selected should appear next to the 'Browse' button. Click the 'Upload' button to upload the file.