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Eligibility & Authorization

What Is Step Therapy?

Quick answer

A payer requirement that a patient try one or more preferred, usually lower-cost, treatments before a different drug will be covered.

Written & reviewed by the Unlimited Systems Revenue Cycle TeamLast reviewed May 2026

Key takeaways

  • Step Therapy is a eligibility & authorization concept in healthcare revenue cycle management.
  • A payer requirement that a patient try one or more preferred, usually lower-cost, treatments before a different drug will be covered.
  • A leading root cause of preventable denials when missed

Step Therapy explained

Step therapy is common for biologics and specialty drugs. Exceptions are often available when preferred drugs are contraindicated or have already failed.

Documenting prior treatments and outcomes in the record speeds both authorizations and exception requests.

Where Step Therapy fits in the revenue cycle

Step Therapy sits within the front end of the revenue cycle, before a service is rendered. It is part of financial clearance, confirming a patient's coverage and securing payer approval before care is delivered.

You'll encounter Step Therapy on payer communications, billing reports, and in conversations between front-office, coding, and accounts-receivable teams.

Why Step Therapy matters for your practice

Most denials trace back to an eligibility or authorization problem that could have been caught before the visit. Verifying coverage and obtaining the right authorizations up front is the single highest-leverage way to prevent downstream denials, protect patient relationships, and keep treatment on schedule.

  • Happens before or at the point of service
  • A leading root cause of preventable denials when missed
  • Protects both revenue and the patient financial experience
  • Often payer- and plan-specific, so accuracy matters

Step Therapy in practice

Knowing what Step Therapy means is only useful if it changes what your team does. In a modern revenue cycle, that means catching issues related to eligibility & Authorization earlier, documenting and coding them correctly, and using technology to flag exceptions automatically rather than discovering them after a claim is denied.

This is exactly where a specialty-built revenue cycle platform earns its keep: by encoding the rules behind terms like Step Therapy directly into the workflow, so clean claims go out the first time and your team works by exception instead of chasing problems after the fact.

Step Therapy: frequently asked questions

What is Step Therapy?

A payer requirement that a patient try one or more preferred, usually lower-cost, treatments before a different drug will be covered.

What does Step Therapy mean in medical billing?

In medical billing, Step Therapy falls under Eligibility & Authorization. It is part of financial clearance, confirming a patient's coverage and securing payer approval before care is delivered.

Why is Step Therapy important in the revenue cycle?

Most denials trace back to an eligibility or authorization problem that could have been caught before the visit. Verifying coverage and obtaining the right authorizations up front is the single highest-leverage way to prevent downstream denials, protect patient relationships, and keep treatment on schedule.

Authoritative sources

For the most current rules and requirements, consult the primary sources that govern this area of healthcare billing:

Unlimited Systems Revenue Cycle Team
RCM & medical billing specialists

Unlimited Systems has built specialty revenue cycle technology for healthcare providers for two decades. This glossary is maintained by our in-house team of billing, coding, and reimbursement specialists.

Put Step Therapy to work in your practice

See how the Unlimited Systems platform automates clean claims, denial management, eligibility verification, and more across your revenue cycle.

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