Centers for Medicare & Medicaid Services (CMS) require the occurrence code 55 and the date of death to be included when billing an institutional claim with the following patient discharge status codes:
- 20 (expired)
- 40 (expired at home)
- 41 (expired in a medical facility)
- 42 (expired – place unknown)
For additional information on the use of code 55, refer to the CMS Manual System - Change Request.