Home Health & Hospice

Which codes from the OASIS-C1 data set will be replaced in the OASIS-C1/ICD-9 data set?

Homecare Insider, June 2, 2014

The five data items contained in OASIS-C1 that require the use of ICD-10 codes will be replaced in OASIS-C1/ICD-9 with their original ICD-9 counterparts:
  • M1010 (Inpatient Diagnosis) will replace M1011,
  • M1016 (Diagnosis Requiring Treatment Change) will replace M1017, and
  • M1020/M1022/M1024 (Primary, Other, and Payment Diagnoses) will replace their ICD-10 parallels M1021/M1023/M1025.