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Allowance for Uncollectible Accounts
9 Months Ended
Sep. 30, 2017
Valuation and Qualifying Accounts [Abstract]  
Allowance for Uncollectible Accounts
Allowance for Uncollectible Accounts
The following table summarizes the activity in the allowance for uncollectible accounts for the nine months ended September 30, 2017 (amounts in thousands):
 
Balance as of December 31, 2016
$
29,036

Additions
8,238

Deductions
(11,185
)
Balance as of September 30, 2017
$
26,089



The allowance for uncollectible accounts declined to 15.2% from 18.9% of patient accounts receivable over the nine months ended September 30, 2017. This was due to a reduction in provision of bad debts due to more timely cash collections and an increase in amounts collected. Patient accounts receivable over 180 days decreased 17% during the nine months ended September 30, 2017 due to the Company's continued process improvements. The maturity of the Company's back office and field operations, the use of the point-of-care platform, and the use of other technology advancements in reporting and analytics were the drivers of improved collections.