Behavioral Health Billing 2026 — Complete Field Guide

This is the single most comprehensive guide to behavioral health billing for 2026 — the year MHPAEA Final Rule enforcement changed everything. This master post links every specialty guide we’ve published for BH/ABA/SUD/psych operators.

The 2026 BH Billing Master Index

Denial Recovery

• Denial Management BH Playbook
• CO-16 Recovery
• CO-197 Recovery
• 90837 Downcoding

MHPAEA Parity

• MHPAEA Parity Appeals
• Same-Day P2P Escalation

ABA Specific

• ABA Outsource Guide
• 97153 Denial Fix
• 97155 Supervision Docs
• BCBA/BCaBA/RBT Rights
• BCBA Credentialing
• TRICARE ACD
• Autism 3-Payer Playbook

SUD Specific

• SUD Complete Guide
• ASAM 3.7/3.5
• MAT Billing
• Detox Residential

Psychiatry Specific

• Psychiatry Complete Guide
• Modifier 95 vs 93
• TMS 90867/90868/90869

Facility Billing

• IOP Billing
• PHP Billing
• H0035 CMS 5-Hour
• S9480 Weekly Session
• H0004 Counseling
• H0019 Youth Residential

CCBHC

• CCBHC PPS Complete
• State-by-State PPS Rules

Business Ops

• Evaluate a BH RCM Company
• CFO Buyers Guide
• 2026 Cost Benchmarks
• ROI Calculator
• Buy Software vs Outsource
• Multi-State Credentialing
• Days-in-AR Under 40
• EHR Comparison

Case Study — Real Numbers

12-site BH $70M rev. 90 days: denial rate 12.3% → 5.7%. MHPAEA parity $184K. $1.04M cash recovered. Full case study.

Free 30-day BH denial audit · Pricing 4-8%

– KD, Founder, Revenant Care · +1 (855) 997-9989 · kannadasanl@revenantcare.com