View guidance from MLN Matters SE 1410 about how to code claims spanning Oct. 1, 2015.
Type of OASIS Assessment
 RAP “From/  Through”  Dates
 OASIS M0090  Date/OASIS  Version
 Claim  “Through”  Date
 Diagnosis  Coding Used  on OASIS
 Diagnosis  Coding Used  on RAP
 Diagnosis  Coding Used  on Claim
Start of care/Resumption of care
 9/28/2015
 9/30/2015
 OASIS-C
 11/26/2015
 ICD-9-  CM
 
 
 ICD-9-CM
 ICD-10-CM
Recertification
 9/28/2015
 9/25/2015  OASIS-C
 11/26/2015
 ICD-9-CM
 ICD-9-CM
 ICD-10-CM
Start of care/Resumption of care
 9/28/2015
 10/2/2015
 OASIS-C1
 11/26/2015
 ICD-10-CM
 ICD-9-CM
 ICD-10-CM
Recertification
 10/2/2015
 9/28/2015
 OASIS-C
 11/30/2015
 ICD-9-CM
 ICD-10-CM
 ICD-10-CM
Source: CMS