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Reimbursement & Payment Models

What is Days in Accounts Receivable (Days in AR)?

Also known as: Days in AR

Quick answer

A key revenue cycle metric measuring the average number of days it takes a practice to collect payment after a service is rendered, calculated by dividing total accounts receivable by average daily charges. Lower values generally indicate faster, more efficient collections.

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

Key takeaways

  • Days in Accounts Receivable is a reimbursement & payment models concept in healthcare revenue cycle management.
  • A key revenue cycle metric measuring the average number of days it takes a practice to collect payment after a service is rendered, calculated by dividing total accounts receivable by average daily charges. Lower values generally indicate faster, more efficient collections.
  • Spans fee-for-service through value-based and risk contracts

Where Days in Accounts Receivable fits in the revenue cycle

Days in Accounts Receivable 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.

Days in Accounts Receivable is also referred to as Days in AR. You'll encounter it on payer communications, billing reports, and in conversations between front-office, coding, and accounts-receivable teams.

Why Days in Accounts Receivable 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

Days in Accounts Receivable in practice

Knowing what Days in Accounts Receivable 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 Days in Accounts Receivable 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.

Days in Accounts Receivable: frequently asked questions

What is Days in Accounts Receivable?

A key revenue cycle metric measuring the average number of days it takes a practice to collect payment after a service is rendered, calculated by dividing total accounts receivable by average daily charges. Lower values generally indicate faster, more efficient collections.

What does Days in Accounts Receivable mean in medical billing?

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

Why is Days in Accounts Receivable 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.

Is Days in Accounts Receivable known by any other names?

Yes, Days in Accounts Receivable is also referred to as Days in AR.

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 Days in Accounts Receivable 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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