96110 for scoring Vanderbilt rating scales
Actually, you can bill 96110 to score the Vanderbilt scales. According to the AAP ADHD coding fact sheet:
"The use of developmental screening instruments of a limited nature (eg, Developmental Screening Test II, Early Language Milestone Screen, PEDS, Ages and Stages, and Vanderbilt ADHD rating scales) is reported using CPT code 96110 (developmental testing; limited)."
If more than 1 Vanderbilt is scored, you may biil multiple units of 96110.