CPT 90853 + ICD-10 F90.0: Attention-deficit hyperactivity disorder, predominantly inattentive type
Group psychotherapy billed with Attention-deficit hyperactivity disorder, predominantly inattentive type — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90853
Group psychotherapy
ICD-10 Code
F90.0
Attention-deficit hyperactivity disorder, predominantly inattentive type
Common Modifiers
Compatibility Notes
ADHD skills groups for inattentive presentations. Common in adult ADHD group programs and adolescent social skills groups. Cognitive training, executive function skills, and CBT for ADHD are common group formats. Per-participant billing required.
Documentation Required
- ✓Per-participant attendance and ADHD-I diagnosis
- ✓Skills group content (executive function, organizational strategies)
- ✓Individual participation and progress notes per participant
Common Denial Reasons
- ✗Group billed as single claim
- ✗Notes read as educational coaching rather than psychotherapy
- ✗No individualized progress per participant
Applicable Modifiers
Reimbursement Notes
OON UCR $50–$90 per participant. ADHD group therapy is covered under mental health parity. Ensure notes reflect psychotherapy content, not skills coaching.
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