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UDSv4 Specific Instructions

For participants who had previous UDS data and are completing UDSv4 for the first time:​

  • For PACKET, use the code I4 - Initial UDSv4 Visit Packet.
  • For VISITNUM, please continue with the next sequential visit number for the respective participant, do not restart visit numbers.
  • VISITNUM and VISITDATE must be higher than the last UDSv3 visit submitted for the respective participant.

For newly enrolled participants:​

  • For PACKET, use the code I - Initial Visit Packet.
  • For VISITNUM, use the existing visit number scheme for your center.

Associated Modules:​

  • PTID, VISITNUM and VISITDATE of the associated module packet should exactly match those of the respective UDSv4 packet.
  • If submitting an module that is associated with a UDSv3 visit, you must use the legacy submission system.
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