Copay vs Coinsurance Scenario Compare Tool

Compare caller explicitly post-deductible copay versus coinsurance allowed-cost scenarios, cap copay by allowed cost; not total annual plan choice, premiums or exact claim adjudication.

Description

Post-deductible copay and coinsurance scenarios use different patient-cost rules.

Post-deductible copay and coinsurance scenarios use different patient-cost rules. A fixed copay is capped by the allowed cost.^[1]

The returned values include Caller copay patient costs minor, Caller coinsurance patient costs minor, Signed copay minus coinsurance minor. The How section below explains the calculation, input rules and interpretation.

When to use Copay vs Coinsurance Scenario Compare Tool

Use Copay vs Coinsurance Scenario Compare Tool when you need to evaluate the supplied records under the calculation and evidence rules below. No deductible ordering, annual plan comparison, premiums or exact claims 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 Copay vs Coinsurance Scenario Compare 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 callerAllowedScenarioCostsMinor, callerFixedCopayMinor, callerCoinsuranceBasisPoints using the field table and calculation rules, then run the tool.
Read callerCopayPatientCostsMinor, callerCoinsurancePatientCostsMinor, signedCopayMinusCoinsuranceMinor. 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
callerAllowedScenarioCostsMinor	Caller allowed scenario costs minor	list of number	Required
callerFixedCopayMinor	Caller fixed copay minor	number	Required
callerCoinsuranceBasisPoints	Caller coinsurance basis points	number	Required

Enter integer allowed costs and fixed copay 0–10¹² with integer coinsurance basis points 0–10000. The scenario list may be empty. Return both cost lists and signed differences.

copay_i=min(allowed_i,fixedCopay); coinsurance_i=roundMinor(allowed_i×bps/10000); delta=copay−coinsurance

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

Output field	Meaning	Value type
callerCopayPatientCostsMinor	Caller copay patient costs minor	list of number
callerCoinsurancePatientCostsMinor	Caller coinsurance patient costs minor	list of number
signedCopayMinusCoinsuranceMinor	Signed copay minus coinsurance minor	list of number

json

{
  "input": {
    "callerAllowedScenarioCostsMinor": [
      1000,
      10000
    ],
    "callerFixedCopayMinor": 2000,
    "callerCoinsuranceBasisPoints": 2000
  },
  "output": {
    "callerCopayPatientCostsMinor": [
      1000,
      2000
    ],
    "callerCoinsurancePatientCostsMinor": [
      200,
      2000
    ],
    "signedCopayMinusCoinsuranceMinor": [
      800,
      0
    ]
  }
}

Limitations and assumptions

No deductible ordering, annual plan comparison, premiums or exact claims adjudication is supplied.

Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Numeric lists are limited to 10,000 entries; string lists to 128 strings of at most 128 characters each. The rules above may impose smaller limits. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use Coinsurance Split After Deductible Computation Tool: A post-deductible coinsurance split also needs the remaining counted OOP budget. This model counts all its allowed patient shares toward that cap. For a complementary task, use Deductible Premium Tradeoff Breakeven Years Calculator: A simple deductible tradeoff compares added claim exposure with annual premium savings. A no-claim horizon does not encode claim probability.

References

Copay vs Coinsurance Scenario Compare Tool — tool.io

Similar or alternative tools

Coinsurance Split After Deductible Computation Tool
A post-deductible coinsurance split also needs the remaining counted OOP budget. This model counts all its allowed patient shares toward that cap.
Deductible Premium Tradeoff Breakeven Years Calculator
A simple deductible tradeoff compares added claim exposure with annual premium savings. A no-claim horizon does not encode claim probability.