Coinsurance Split After Deductible Computation Tool

Split caller allowed claim after remaining deductible/coinsurance with explicit counted OOP cap, exact one-currency rounding; all allowed patient shares count here, no balance bill or coverage determination.

Description

A post-deductible coinsurance split also needs the remaining counted OOP budget.

A post-deductible coinsurance split also needs the remaining counted OOP budget. This model counts all its allowed patient shares toward that cap.^[1]

The returned values include Caller applied deductible minor, Caller patient coinsurance minor, Caller patient payment minor, Caller plan payment minor. The How section below explains the calculation, input rules and interpretation.

When to use Coinsurance Split After Deductible Computation Tool

Use Coinsurance Split After Deductible Computation Tool when you need to evaluate the supplied records under the calculation and evidence rules below. No excluded cost shares, balance billing or coverage adjudication is supplied.

Prepare the observed policy, claim or quote evidence and independently verified policy tables. Monetary fields use integer minor units in one currency: for a currency with 100 minor units per major unit, enter 12345 for 123.45. One basis point is 0.01 percentage points, so 10000 basis points represents 100%.

How to use Coinsurance Split After Deductible Computation Tool and understand its results

Prepare the observed policy, claim or quote evidence and independently verified policy tables. Monetary fields use integer minor units in one currency: for a currency with 100 minor units per major unit, enter 12345 for 123.45. One basis point is 0.01 percentage points, so 10000 basis points represents 100%.
Enter callerAllowedClaimMinor, callerRemainingDeductibleMinor, callerPatientCoinsuranceBasisPoints, callerRemainingCountedOopMinor using the field table and calculation rules, then run the tool.
Read callerAppliedDeductibleMinor, callerPatientCoinsuranceMinor, callerPatientPaymentMinor, callerPlanPaymentMinor. The explanation below defines the units, signs, ordering and any flags or placeholder values.
If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.

Input field	Meaning	Value type; see rules below	Requirement
callerAllowedClaimMinor	Caller allowed claim minor	number	Required
callerRemainingDeductibleMinor	Caller remaining deductible minor	number	Required
callerPatientCoinsuranceBasisPoints	Caller patient coinsurance basis points	number	Required
callerRemainingCountedOopMinor	Caller remaining counted oop minor	number	Required

Enter integer allowed claim, remaining deductible and OOP money 0–10¹² plus integer patient basis points 0–10000. Compute coinsurance on allowed minus nominal deductible, then cap both patient components by OOP. Return applied deductible, coinsurance, total patient and allowed-minus-patient plan payment.

nominalDed=min(allowed,remainingDed); appliedDed=min(nominalDed,OOP); coin=min(roundMinor((allowed−nominalDed)×bps/10000),OOP−appliedDed)

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output field	Meaning	Value type
callerAppliedDeductibleMinor	Caller applied deductible minor	number
callerPatientCoinsuranceMinor	Caller patient coinsurance minor	number
callerPatientPaymentMinor	Caller patient payment minor	number
callerPlanPaymentMinor	Caller plan payment minor	number

json

{
  "input": {
    "callerAllowedClaimMinor": 10000,
    "callerRemainingDeductibleMinor": 2000,
    "callerPatientCoinsuranceBasisPoints": 2000,
    "callerRemainingCountedOopMinor": 3000
  },
  "output": {
    "callerAppliedDeductibleMinor": 2000,
    "callerPatientCoinsuranceMinor": 1000,
    "callerPatientPaymentMinor": 3000,
    "callerPlanPaymentMinor": 7000
  }
}

Limitations and assumptions

No excluded cost shares, balance billing or coverage adjudication is supplied.

Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use OOP Max Out Of Pocket Remaining Tracker: Out-of-pocket tracking counts only payments included by the plan’s supplied rules. Excluded cost shares stay separate from progress toward the maximum. For a complementary task, use Copay vs Coinsurance Scenario Compare Tool: Post-deductible copay and coinsurance scenarios use different patient-cost rules. A fixed copay is capped by the allowed cost.

References

Coinsurance Split After Deductible Computation Tool — tool.io

Similar or alternative tools

OOP Max Out Of Pocket Remaining Tracker
Out-of-pocket tracking counts only payments included by the plan’s supplied rules. Excluded cost shares stay separate from progress toward the maximum.
Copay vs Coinsurance Scenario Compare Tool
Post-deductible copay and coinsurance scenarios use different patient-cost rules. A fixed copay is capped by the allowed cost.