Substance Abuse Billing Services

Substance abuse billing involves layered compliance with 42 CFR Part 2 privacy rules, Mental Health Parity Act requirements, medication-assisted treatment J-codes, and level-of-care coding across detox, residential, PHP, and IOP programs.

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300+ Practices

99408SBIRT 15-30min

J0571Buprenorphine

H0015IOP Group

42 CFRPart 2 Compliant

Why Substance Abuse Billing Requires Specialty Expertise

Substance abuse billing spans SBIRT screening codes (99408-99409), medication-assisted treatment (MAT) with drug-specific J-codes for buprenorphine and naltrexone, and multi-level program billing using H-codes for PHP, IOP, and residential services. The 42 CFR Part 2 privacy framework imposes stricter protections than HIPAA, and the Mental Health Parity and Addiction Equity Act requires payers to cover substance abuse at parity with medical-surgical benefits.

Common Substance Abuse CPT Codes

Our coders handle these substance abuse codes daily. This is not an exhaustive list.

Code

Description

99408

Alcohol or substance abuse structured screening, 15-30 minutes

99409

Alcohol or substance abuse structured screening, more than 30 minutes

90791

Psychiatric diagnostic evaluation

90832

Psychotherapy, 30 minutes

90834

Psychotherapy, 45 minutes

90837

Psychotherapy, 60 minutes

90853

Group psychotherapy

G2086

HCPCS: Office-based opioid use disorder treatment, monthly bundle

H0001

HCPCS: Alcohol or drug assessment

2026 Medicare Allowables for Substance Abuse CPT Codes by State

Medicare reimbursement for substance abuseprocedures is not a single national number. Each code's allowable is adjusted by your state's Geographic Practice Cost Index (GPCI) and processed under that state's Medicare Administrative Contractor (MAC), so the same substance abuse CPT code pays a different amount in California than it does in Texas or Florida. The table below shows the 7 core substance abusecodes our coders bill priced at each state's 2026 locality. The non-facility figure is what an office-based practice collects. The facility figure applies when the service is performed in a hospital-based setting.

Commercial carriers in each state typically reimburse above these Medicare benchmarks and state Medicaid below them, but the Medicare allowable is the contracting anchor every payer negotiation starts from. Compare any individual code across all states with our Medicare fee calculator by state.

2026 Medicare non-facility allowable for Substance Abuse CPT codes across high-volume states
Code	Substance Abuse Procedure	CA	TX	FL	NY	PA	IL	OH	GA	NC	MI
99408	Alcohol or substance abuse structured screening, 15-30 minutes	$37.44	$34.91	$36.38	$37.97	$35.11	$35.96	$34.04	$34.81	$33.78	$34.89
99409	Alcohol or substance abuse structured screening, more than 30 minutes	$71.94	$67.21	$69.75	$72.88	$67.58	$69.02	$65.60	$67.00	$65.17	$67.09
90791	Psychiatric diagnostic evaluation	$185.78	$173.32	$174.13	$184.81	$173.64	$172.91	$169.49	$171.63	$170.13	$170.91
90832	Psychotherapy, 30 minutes	$91.80	$85.85	$86.23	$91.43	$86.02	$85.67	$84.04	$85.05	$84.33	$84.71
90834	Psychotherapy, 45 minutes	$121.73	$113.89	$114.62	$121.39	$114.15	$113.87	$111.49	$112.88	$111.80	$112.48
90837	Psychotherapy, 60 minutes	$178.57	$167.03	$167.77	$177.86	$167.37	$166.70	$163.52	$165.48	$164.08	$164.83
90853	Group psychotherapy	$32.45	$30.38	$30.73	$32.46	$30.46	$30.52	$29.73	$30.14	$29.76	$30.06

Full Substance Abuse fee detail by state

State:

2026 Medicare allowables for substance abuse CPT codes in California, processed under Noridian Healthcare Solutions (Jurisdiction E). See California medical billing.

2026 Medicare allowables for Substance Abuse CPT codes in California
Code	Description	Non-Facility	Facility
99408	Alcohol or substance abuse structured screening, 15-30 minutes	$37.44	$28.75
99409	Alcohol or substance abuse structured screening, more than 30 minutes	$71.94	$57.71
90791	Psychiatric diagnostic evaluation	$185.78	$143.10
90832	Psychotherapy, 30 minutes	$91.80	$72.44
90834	Psychotherapy, 45 minutes	$121.73	$95.65
90837	Psychotherapy, 60 minutes	$178.57	$141.02
90853	Group psychotherapy	$32.45	$25.34

Source: 2026 Medicare Physician Fee Schedule, locality-adjusted by state MAC. Figures are for reference and contracting benchmarks, not a guarantee of payment.

Substance Abuse Billing Challenges We Solve

Common billing problems in substance abuse and how our team handles them.

42 CFR Part 2 Compliance

Substance use disorder records require patient-specific consent for each disclosure, stricter than HIPAA. Billing transmissions must comply with Part 2 rules.

Level-of-Care Coding

Different H-codes apply for detox (H0010-H0014), residential (H0018-H0019), PHP (H0035), and IOP (H0015), each with distinct authorization requirements.

MAT J-Code Billing

Medication-assisted treatment drugs have specific J-codes (J0571-J0575 buprenorphine, J2315 naltrexone) with buy-and-bill vs pharmacy dispensing considerations.

Parity Act Enforcement

Payers frequently impose non-quantitative treatment limitations on substance abuse that violate the Mental Health Parity Act, requiring persistent appeals.

Common Substance Abuse Denial Reasons

We prevent these before submission and appeal aggressively when they occur.

Substance use disorder records require patient-specific consent for each disclosure, stricter than HIPAA

Different H-codes apply for detox (H0010-H0014), residential (H0018-H0019), PHP (H0035), and IOP (H0015), each with distinct authorization requirements

Medication-assisted treatment drugs have specific J-codes (J0571-J0575 buprenorphine, J2315 naltrexone) with buy-and-bill vs pharmacy dispensing considerations

Payers frequently impose non-quantitative treatment limitations on substance abuse that violate the Mental Health Parity Act, requiring persistent appeals

Revenue Opportunities Most Substance Abuse Practices Miss

SBIRT screening is the most under-billed service in substance abuse treatment. Every patient encounter that includes a validated screening tool (AUDIT, DAST, CAGE) and brief intervention qualifies for 99408-99409 billing. For a treatment center screening 30 patients per day, SBIRT codes add $990-1,950 per day — $250,000 to $500,000 annually in revenue from a service most centers already provide but do not bill. MAT revenue optimization is the second opportunity. Buprenorphine (J0571-J0575) reimburses $90-400 per administration depending on the formulation, and long-acting naltrexone (J2315, Vivitrol) reimburses $1,500-1,800 per injection. Practices that dispense in-office under buy-and-bill models capture both the drug reimbursement and the administration fee, generating $200-500+ per MAT visit compared to $0 when patients fill prescriptions at external pharmacies.

Payer-Specific Substance Abuse Billing Tips

Medicare covers substance abuse treatment including SBIRT, MAT, PHP, IOP, and residential care. Medicare Part B covers office-based MAT billing, and Part A covers inpatient detox and residential treatment. Medicare Advantage plans must comply with the Mental Health Parity Act but frequently impose non-quantitative treatment limitations that require appeals. Medicaid is the largest payer for substance abuse treatment in most states, covering all ASAM levels of care. Medicaid expansion states cover SUD treatment for all adults under 138% FPL. Commercial payers including UnitedHealthcare, Anthem BCBS, Aetna, and Cigna cover substance abuse treatment under parity requirements but commonly require prior authorization, concurrent review, and step-therapy protocols. Many commercial plans route SUD claims through behavioral health carve-outs with separate networks and fee schedules. We manage authorization timelines, concurrent review deadlines, and parity-based appeals across all payer types.

Substance Abuse Billing Best Practices

Practical tips from our coding team to maximize reimbursement and minimize denials.

Bill SBIRT screening (99408 for 15-30 minutes, 99409 for 30+ minutes) for every patient screened for substance use disorders, even in non-addiction settings. These codes are separately billable from E/M services and reimburse $33-65 per screening.

For MAT billing, verify whether the payer requires buy-and-bill (practice purchases and administers the medication, billing J-codes) or white-bagging (specialty pharmacy ships to the practice). Using the wrong dispensing model causes claim denials.

H-codes for IOP (H0015) and PHP (H0035) typically require concurrent review with the payer every 3-7 days. Missing a concurrent review deadline results in denial of all services from that date forward.

When a payer denies substance abuse treatment as not medically necessary, evaluate the denial under the Mental Health Parity and Addiction Equity Act. If the payer applies stricter criteria to substance abuse than to comparable medical-surgical conditions, file a parity complaint with the state insurance commissioner.

Urine drug screen billing uses two code types: presumptive/qualitative (80305-80307) and definitive/quantitative (G0480-G0483). Bill presumptive screens at point-of-care and definitive screens only when clinical decision-making requires confirmation.

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What We Handle for Substance Abuse Practices

SBIRT screening and brief intervention billing (99408-99409)

Medication-assisted treatment (MAT) coding and J-code management

PHP and IOP program billing with H-codes

Residential and detox level-of-care billing

42 CFR Part 2 compliant claims processing

Mental Health Parity Act appeals and enforcement

Concurrent review and authorization management

Urine drug screen billing optimization

Why Choose Go Medical Billing for Substance Abuse

Substance abuse billing requires navigating 42 CFR Part 2 privacy rules, parity act enforcement, and multi-level program coding simultaneously. Our team handles the compliance and coding complexity so treatment centers can focus on patient care.

We serve substance abuse practices in all 50 states, starting at 2.49% of collections. Our credentialing team handles payer enrollment, and our A/R specialists recover aging claims.

Substance Abuse Billing by State

We handle substance abuse billing in all 50 states. The 2026 Medicare allowables for substance abuse CPT codes in every state are in the fee table above. Open any state below for its full payer environment, Medicaid rules, and Medicare MAC policies.

California Texas Florida New York Pennsylvania Illinois Ohio Georgia North Carolina Michigan New Jersey Virginia Massachusetts Arizona Tennessee Maryland Indiana Missouri Wisconsin Colorado

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Frequently Asked Questions

We ensure all claims transmissions, appeals, and payer communications comply with 42 CFR Part 2 privacy protections for substance use disorder records, including obtaining proper patient consent forms before disclosing any SUD information to payers.

Yes. When a payer denies substance abuse treatment using criteria stricter than those applied to comparable medical-surgical conditions, we prepare and file parity-based appeals citing specific MHPAEA violations and escalate to state regulators when necessary.

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Stop losing revenue to substance abuse coding errors and preventable denials. Call 888-701-6090 for a free billing assessment.

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