Self-Insurance Medical Bill Interest Calculator

Tool to help Providers and Self-Insured Employers calculate interest due for fees and medical charges.

Payment of fees and medical charges — RCW 51.36.085 (

Date Bill Received (Mailing date + 5 days)
or Claim Allowance Date
Maximum Fee or Balance Due Interest Accrual Date

Date of Payment Payment Amount or $0 Interest Accrued

Remaining Balance Owed

(Based on the payment information you entered)

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