The DSM-5 Replaced the DSM-IV-TR "Not Otherwise Specified" or NOS

The DSM-5 replaced the DSM-IV-TR "Not Otherwise Specified" or NOS label with 2 additional categories: "Other specified disorder) " and ""Unspecified disorder) . Which of the following statements accurately represents the Unspecified diagnostic categories?

A) The Unspecified diagnosis is considered when the practitioner considers the client's condition is time-limited; 6 months or less
B) The Unspecified diagnosis is considered when the client has fewer than 3 symptoms of any of the disorders in a specific diagnostic classification
C) The Unspecified diagnosis is used when the practitioner chooses not to specify the reason that criteria are not met for a specific disorder
D) The unspecified diagnosis is used when the client shows symptoms in 2 or more) disorders in separate diagnostic classifications