There are three major changes that were implemented in the ICD-10-CM version of the Obstetrics, ...

There are three major changes that were implemented in the ICD-10-CM version of the Obstetrics, Childbirth and the Puerperium chapter. Which of the following is NOT one of the changes?
 
  A) The fifth digit used in ICD-9-CM to designate episode of care has been eliminated. Conditions are now classified based on trimester.
  B) Some code requires a seventh character extension to identify which fetus in a multiple gestation is affected.
  C) The outcome of delivery codes is no longer required.
  D) Coders are directed by an instructional note to assign a code from Z3A to identify the weeks of gestation.