Prepare for 5 ��" not 2 ��" code choices in 2013. You may know the diagnosis codes for ADD and ADHD by heart -- but you'll have to forget them when ICD-10 takes effect. Come Oct. 1, 2013, you'll have five new ADD and ADHD codes applicable to your claims. Under the ICD-9 coding system, you have two general codes for these conditions: 314.00 -- Attention deficit disorder, without mention of hyperactivity 314.01 -- Attention deficit disorder, with hyperactivity. ICD-10 Changes: F90.0 -- Attention-deficit hyperactivity disorder, predominantly inattentive type F90.1 -- Attention-deficit hyperactivity disorder, predominantly hyperactive type F90.2 -- Attention-deficit hyperactivity disorder, combined type F90.8 -- Attention-deficit hyperactivity disorder, other type F90.9 -- Attention-deficit hyperactivity disorder, unspecified type. Documentation: Practice tips: