there were 234 registrations with errors in the diagnostic summary ( although 110 of these would cause misclassification only under the fourth digit of the icd code ) , 164 with errors in date of birth ( 36 of which would cause classification in the wrong who age group ) and 198 with errors in the date of registration ( 112 of which were wrongly ascribed to the year 1972 ) .
C0421451
date of birth
C0011008
date