1 Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. 2  This is the American ICD-10-CM version of J11.1. 3  Other international ICD-10 versions may differ.
It takes approx. 36-40 weeks for the baby to be fully developed. Before that, the baby is premature and might have to spend some time in an incubator.
From my experience, it takes around maybe 3-7 days for the baby to grow up into a playable mii. First 3 days is when they're infants, then toddlers, and then the last few days are young child.