The new 2018 ICD-10-CM codes are to be used for discharges occurring from Oct. 1, 2017 through Sept. 30, 2018, and for patient encounters occurring from Oct. 1, 2017 through Sept. 30, 2018. In this year's new code set there are 363 new codes, 142 deletions, and 226 code revisions.
You can see the full list of changes here or you can download the attached PDF.
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