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Reimbursement & Payment Models

What Is Per Diem Payment?

Quick answer

A fixed payment for each day of care, common in inpatient, skilled nursing, and some behavioral health contracts.

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

Key takeaways

  • Per Diem Payment is a reimbursement & payment models concept in healthcare revenue cycle management.
  • A fixed payment for each day of care, common in inpatient, skilled nursing, and some behavioral health contracts.
  • Spans fee-for-service through value-based and risk contracts

Per Diem Payment explained

Per diem rates may vary by level of care, such as acute versus intensive care days.

Accurate tracking of covered days and level changes is essential for full payment.

Where Per Diem Payment fits in the revenue cycle

Per Diem Payment sits within the contractual layer that determines how much a practice is paid. It relates to how providers are paid, the payment methodologies and value-based arrangements that set reimbursement.

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

Why Per Diem Payment matters for your practice

How a service is paid is as important as whether it's coded correctly. Fee-for-service, capitation, bundled payments, and value-based contracts each carry different billing, documentation, and reporting requirements. Understanding these models is essential for forecasting revenue and succeeding under changing payer arrangements.

  • Determines the methodology behind each payment
  • Spans fee-for-service through value-based and risk contracts
  • Each model carries distinct billing and reporting rules
  • Increasingly tied to quality and outcomes, not just volume

Per Diem Payment in practice

Knowing what Per Diem Payment means is only useful if it changes what your team does. In a modern revenue cycle, that means catching issues related to reimbursement & Payment Models 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 Per Diem Payment 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.

Per Diem Payment: frequently asked questions

What is Per Diem Payment?

A fixed payment for each day of care, common in inpatient, skilled nursing, and some behavioral health contracts.

What does Per Diem Payment mean in medical billing?

In medical billing, Per Diem Payment falls under Reimbursement & Payment Models. It relates to how providers are paid, the payment methodologies and value-based arrangements that set reimbursement.

Why is Per Diem Payment important in the revenue cycle?

How a service is paid is as important as whether it's coded correctly. Fee-for-service, capitation, bundled payments, and value-based contracts each carry different billing, documentation, and reporting requirements. Understanding these models is essential for forecasting revenue and succeeding under changing payer arrangements.

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 Per Diem Payment 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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