Coding Instructions

for X0400, Birth Date
•
Fill in the boxes with the birth date exactly as submitted for item A0900 “Birth Date” on
the prior erroneous record to be modified/inactivated. If the month or day contains only a
single digit, fill in the first box with a 0 For example, January 2, 1918, should be entered
as:
If the birth date in MDS item A0900 on the prior record was a partial date, with day of
the month unknown and the day of the month boxes were left blank, then the day of the
month boxes must be blank in X0400. If the birth date in MDS item A0900 on the prior
record was a partial date with both month and day of the month unknown and the month
and day of the month boxes were left blank, then the month and day of the month boxes
must be blank in X0400.
•
Note that the birth date in X0400 does not have to match the current value of A0900 on a
modification request. The entries may be different if the modification is correcting the
birth date.