Statute of Limitations Medical Debt Washington
5 min read
Published April 25, 2025 • Updated April 23, 2026 • By DocketMath Team
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Overview
Run this scenario in DocketMath using the Statute Of Limitations calculator.
In Washington, the statute of limitations (SOL) for most medical-debt lawsuits is 5 years under RCW 9A.04.080.
When a healthcare provider, hospital, or debt buyer sues to collect unpaid medical charges, the timing matters: if the claim is filed too late, the case may be dismissed based on the SOL. DocketMath can help you estimate whether the lawsuit filing date falls within (or outside) that general/default 5-year window using the key dates from your documents.
Note: This page covers the general/default SOL period for debt-collection lawsuits in Washington. A different SOL rule can apply in some situations, but no claim-type-specific sub-rule was found for medical debt beyond the general rule below.
Limitation period
Washington’s general SOL period is 5 years for many civil actions, including common debt-collection claims, because RCW 9A.04.080 sets a 5-year limitation as the default timeframe for certain actions.
What “5 years” typically means in practice
The clock generally runs from a triggering date tied to the debt and the underlying obligation (for example, the point the payment became due or otherwise accrued—depending on the facts). Because lenders and collectors may use different “start dates” (and documents may label dates differently), your inputs directly affect the result.
To use a tool like DocketMath effectively, you’ll usually need:
- Accrual / due date: the date the obligation became due (or the closest documented date the debt can be tied to)
- Lawsuit filing date: the date the complaint was filed (often shown on the summons/complaint)
How outcomes change with the inputs
Use this practical rule of thumb:
- If (lawsuit filing date − accrual/due date) ≤ 5 years, the claim is generally within the default SOL timeframe.
- If (lawsuit filing date − accrual/due date) > 5 years, the claim is generally outside the default SOL timeframe.
In real-world collections records, dates can be messy (multiple billing cycles, revised accounts, or transfers to a debt buyer). That’s why DocketMath is helpful: you can test which documented date best matches the records you have.
Key exceptions
Washington’s default rule is 5 years under RCW 9A.04.080, but several types of events can affect how SOL analysis works over time. No medical-debt-specific carveout was identified here; instead, these are general timeline factors that can change the analysis.
Common timeline modifiers to consider (not legal advice)
Check whether your records show any of the following:
- Payments or acknowledgments after the due date
- Some post-due actions can affect SOL calculations depending on the legal theory and the evidence available.
- Procedural history
- If there was an earlier lawsuit that was dismissed and later refiled, that history can matter for timing and procedural deadlines.
- Debt identity and transfer
- Medical debt is often sold or assigned. The key question usually becomes what documentation supports the claim and what date truly represents when the obligation accrued for SOL purposes.
Warning: SOL arguments can be fact-intensive. Even when the timeline looks “too late,” courts evaluate accrual timing and any timeline modifiers based on the evidence—not just the calendar.
Practical documentation checklist
Before you run a SOL estimate, gather items that help you identify the correct inputs (since they drive the output):
- Billing statement(s) showing the earliest due date you can document
- Account history notes (sometimes appearing in collection-agency records)
- Any letter showing when the account was placed for collection (and the first date it was referenced)
- The summons/complaint showing the lawsuit filing date (the complaint filing date is typically the key date, not a later service date)
If you’re missing one of the two core dates (accrual/due date or filing date), use the closest reasonable dates and note your assumptions.
Statute citation
The general/default statute of limitations for applicable actions in Washington is 5 years under RCW 9A.04.080.
This page’s timing assumption is based on that general rule because no claim-type-specific sub-rule was found for medical debt beyond the general/default SOL period. For accuracy, you should also align the dates you use with the legal theory alleged in the complaint.
Use the calculator
Use DocketMath’s statute of limitations calculator here: /tools/statute-of-limitations
You’ll typically enter:
- Accrual / due date: pick the best-documented date you have for when the debt became due
- Filing date: the filing date from the summons/complaint
- Jurisdiction: US-WA (Washington), so the calculator applies the 5-year general/default period
Example walkthrough (calendar math)
If you enter:
- Accrual/due date: January 10, 2019
- Lawsuit filing date: January 15, 2024
That elapsed time is slightly more than 5 years, which would suggest the claim may be outside the default SOL under RCW 9A.04.080.
If instead you enter a due date of January 15, 2019, the elapsed time becomes closer to exactly 5 years. Small date differences matter—so it’s worth using the most supportable date from your paperwork.
Checklist before you click “calculate”
Once you get your estimated SOL result, use it as a starting point for organizing documents and focusing on what date evidence matters most—while treating the estimate as informational, not a guarantee.
Sources and references
Start with the primary authority for Washington and confirm the effective date before relying on any output. If the rule has been amended, update the inputs and rerun the calculation.
Related reading
- Choosing the right statute of limitations tool for Vermont — How to choose the right calculator
- Statute of limitations in Singapore: how to estimate the deadline — Full how-to guide with jurisdiction-specific rules
- Choosing the right statute of limitations tool for Connecticut — How to choose the right calculator
