understanding mira ii, bwc’s enhanced claims reserving system
DESCRIPTION
Understanding MIRA II, BWC’s Enhanced Claims Reserving System. Shane Blair. Overview of Discussion. A historical overview of the BWC reserving system The purpose of claim reserves and their use in setting rates A preview of the new reserving system, and why it’s better - PowerPoint PPT PresentationTRANSCRIPT
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Understanding MIRA II
Understanding MIRA II, BWC’s Enhanced Claims Reserving System
Shane Blair
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Understanding MIRA II
– A historical overview of the BWC reserving system
– The purpose of claim reserves and their use in setting rates
– A preview of the new reserving system, and why it’s better
– Why we need to implement the reserving system developed by Fair Isaac
Overview of Discussion
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Understanding MIRA II
Claim Reserve
Estimate of the future cost of a claim at a specific point in time
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Understanding MIRA II
BWC’s Reserving Systems• Tabular reserves until 2002
– Average cost of a claim in fitted category– Based primarily on last compensation paid
• MIRA I – 2002 to 2007– Automated reserving system that uses
advanced statistical analysis to predict future cost/liability of a claim
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Understanding MIRA II
Why did we change to an automated reserving system?
• The need for more accurate estimates of future value
• The need for more equitable distribution of costs to employers
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Understanding MIRA II
MIRA I:
• Uses individual claim characteristics with associated cost patterns;
• Uses reserving patterns based on BWC specific claim data;
• Allows for more accurate premium rates;• Brings stability to premium rates;• Improves claim management by recognizing
severity of claims early.
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Understanding MIRA II
Why MIRA II?• Uses recent claim history and regularly updates it
• Modeling can react to changes to payments and cost patterns
• Modeling distinguishes between inconsequential claim data and true cost driver
• Modeling learns complex relationships in the claim data
• No special logic on new claims as used in MIRA I
• Reserves on individual claim
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Understanding MIRA II
• More historical claim data
• Uses financial/transactional claim payment data
• Emphasis on more recent historical claim data
• More accurate claim data
Why MIRA II?
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Understanding MIRA II
• Focus on transparency
• Established mapping and logic more closely related to BWC specific claims, rules, statutes and processes
• Provide customers with weekly reserves
Why MIRA II?
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Understanding MIRA II
It’s the initial process for setting a reserve on a claim based on a set of claim data and conditions that identifies the claim severity or exposure. The mapping determines the ultimate benefit status the claim will reach as of that prediction date.
The injury types are:
Type 1 – Death; Type 2 - Permanent total disability (PTD); Type 5 - Temporary total disability (TTD); Type 6 - Medical only; Type 9 - Permanent partial.
Injury Type Mapping
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Understanding MIRA II
A set of rules, conditions or criteria that determines when the system sets a reserve for a claim or stops setting a reserve
Prediction Control (start-stop) Logic
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Understanding MIRA II
Reflects the historical costs of similar claims filed in Ohio
Modeling Process
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Understanding MIRA II
How MIRA II Sets A Reserve
30 days since C-92 indicator
status is “A” and no %PP payment is made, and no subsequent %PP payment is made
Type 1 Death
MIRA II severity
classification
MIRA IIsub
models
MIRA II controls(stop logic)
• TTD reserve• Living maintenance• PPD reserve• TPD / Wage loss• Medical
Total comp paid = 0, and more than 180 days since the
filing date have elapsed
CLAIM
30 days have passed since last comp paid date
(V3 to date)
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Understanding MIRA II
Claim-level Accuracy
$100
$1,000
$10,000
$100,000
$1,000,000
MIRA I prediction$100 $1,000 $10,000 $100,000 $1,000,000
Fin
al t
otal
pai
d
$100
$1,000
$10,000
$100,000
$1,000,000
MIRA II prediction$100 $1,000 $10,000 $100,000 $1,000,000
Fin
al t
otal
pai
d
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Understanding MIRA II
Aggregate Accuracy
Days openNumber of
claimsAverage
paid
MIRA II averageincurred
Adjuster averageincurred
MIRA II% ultimate
Adjuster% ultimate
60 46,085 $19,360 $18,773 $10,190 96.96 % 52.64%
90 43,142 $20,548 $19,929 $11,829 96.99% 57.57%
180 35,540 $24,150 $23,671 $16,192 98.02% 67.05%
365 25,070 $30,721 $30,387 $23,901 98.91% 77.80%
540 18,244 $36,608 $36,386 $30,587 99.39% 83.55%
730 12,932 $42,661 $42,460 $37,362 99.53% 87.58%
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Understanding MIRA II
MIRA II Web Service Offerings• Individual claim costs (Existing)• Claim costs by policy (Existing)• Claim data information (New)• Claim reserve history report (New)• Claim payment transaction report (New)• Claim reserve change report (New)• Claim demographic screen (New)
• MIRA II annual statistics (New)
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Understanding MIRA II
Individual Claim Costs
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Understanding MIRA II
Claim Costs
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Understanding MIRA II
Claim Data Information
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Understanding MIRA II
Claim Data Information
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Understanding MIRA II
Claim Reserve History
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Understanding MIRA II
Claim Inquiry Report
Report data (sections):
• Claim info
• Policy info
• Payment info
• Injury info
• Dependent info
• Medical payments• Indemnity payments• Medical payment
Trends• Reserve adjustment
(suppression)• Total cost of claim -
paid = reserve
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Understanding MIRA II
Claim Payment Transaction Report
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Understanding MIRA II
Claim Payment Transaction Report
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Understanding MIRA II
Claim Payment Transaction Report
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XX-XXXXXX
XX-XXXXXX
XX-XXXXXX
XX-XXXXXX
XX-XXXXXX
XX-XXXXXX
XX-XXXXXX
XX-XXXXXX
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Understanding MIRA II
Claim Payment Transaction Report s –
policy –pg2
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Understanding MIRA II
Claim Reserve Change Report
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Understanding MIRA II
Claim Reserve Change Report
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Understanding MIRA II
Claim Reserve History Report
Still under construction
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Understanding MIRA II
Claim Demographic
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Understanding MIRA II
MIRA II Annual Statistics
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Understanding MIRA II
Summary• Accuracy
– Use new historical claim data that is regularly updated
• Clarity– Statistical Data on Average Claim Reserve
• Transparency– Listing of Claim Data used in reserve prediction
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Understanding MIRA II
Question-Answer