The effective date of the OASIS determines the which codes should be used, the old or the new. Below are the Effective dates of the OASIS assessments.

  • SOC – M0090 (SOC + 5)
  • ROC – M0032 (ROC +2)
  • Recert – M0090 (Day 56-59)
  • Other Follow Up – M0090

In each of these cases the dates/days specified in the parentheses provide the valid dates these effective dates can be. 

For Recerts performed on 9/27/18 – 9/30/18 and an episode that starts on or after 10/1/18. whever permitted, 10/01/18 should be used in order to comply with the new codes and billing.

If you have any questions, please feel free to contact one of our on-staff clinicians and certified diagnosis coders, Michael Tidd (