The Centers for Medicare and Medicaid Services is calling the third and final week of ICD-10 end-to-end testing, which was conducted July 20-24, an unqualified success.
CMS on Thursday announced the testing results in which 29,286 test claims were received and 25,646 test claims accepted—an 87 percent acceptance rate. However, the acceptance rate was slightly less than the 88 percent acceptance rate achieved during the second ICD-10 end-to-end testing week, held April 27-May 1.
During the July testing, 1.8 percent of test claims were rejected because of invalid submission of ICD-10 diagnosis or procedure codes, and 2.6 percent of test claims were rejected due to invalid submission of ICD-9 diagnosis or procedure codes, according to CMS.
“Additional rejections were from non-ICD-10 related errors, including incorrect National Provider Identifier, Health Insurance Claim Number, or Submitter ID; dates of service outside the range valid for testing; invalid HCPCS codes; and invalid place of service,” states CMS in its test report. “These types of errors also occurred in the January and April end-to-end testing weeks. Most rejects were the result of provider submission errors in the testing environment that would not occur when actual claims are submitted for processing.”
In total, three week-long, end-to-end testing periods were conducted this year: January, April, and most recently in July. Overall, more than 2,700 testers participated in the testing and more than 67,000 test claims were processed.
“The importance of this testing was to show that not only could claims be accepted into our system, but they could also be processed through all of our ICD-10 editing and produce finally remittance advices to the testers,” said Stacey Shagena, a technical advisor in the CMS Medicare Contractor Management Group, during a “Countdown to ICD-10” Medicare Learning Network National Provider Call on Thursday.
Shagena called the end-to-end testing “extremely successful,” adding that during the January and April test weeks only one or two “problems” were identified “which were fixed in time for the July testing period” in which “no system problems were found.”
Approximately 1,200 testers were selected to participate in the July testing, she said, including almost 500 returning testers from the January and April testing weeks.
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