F90.0 Attention-deficit hyperactivity disorder, predominantly inattentive type

Billable ICD-10-CM code, FY2026.

Applicable to

• Attention-deficit/hyperactivity disorder, predominantly inattentive presentation

Applies from F90 Attention-deficit hyperactivity disorders

Includes

• attention deficit disorder with hyperactivity
• attention deficit syndrome with hyperactivity

Excludes2 (not included here)

• anxiety disorders (F40.-, F41.-)
• mood [affective] disorders (F30-F39)
• pervasive developmental disorders (F84.-)
• schizophrenia (F20.-)

Risk adjustment (HCC)

• RxHCC V08: HCC 133 — Anxiety and Other Psychiatric Disorders

MS-DRG index

Defines the logic of DRG(s) 886 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 314.00 Attention deficit disorder without mention of hyperactivity (approximate)

Code annotations containing back-references to F90.0

Back-references to F90

• Type 2 Excludes: F91 Conduct disorders ("conduct problems associated with attention-deficit hyperactivity disorder (F90.-)")
• Type 2 Excludes: F94.2 Disinhibited attachment disorder of childhood ("attention-deficit hyperactivity disorders (F90.-)")
• Code Also: QA0 Neurodevelopmental disorders related to specific genetic pathogenic variants ("attention-deficit hyperactivity disorders (F90.-)")
• Type 1 Excludes: R41.840 Attention and concentration deficit ("attention-deficit hyperactivity disorders (F90.-)")

Diagnosis Index entries for F90.0

• Disorder (of) › attention-deficit hyperactivity (adolescent) (adult) (child) › inattentive › presentation
• Disorder (of) › attention-deficit hyperactivity (adolescent) (adult) (child) › inattentive › type

Nearby codes

• F90 Attention-deficit hyperactivity disorders
• F90.0 Attention-deficit hyperactivity disorder, predominantly inattentive type (this code)
• 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