Problem: The patient's 485 is printed and Box 24 is blank
Solution: This condition is specific to "non-assessment" (485-only) patients. The referral source assignment creates an initial certification period and a 485. Because the primary physician has not been assigned at this point in the intake/admit process, the 485 had no physician to reference. It is strictly a timing issue and is easily resolved by clicking EDIT link in OASIS/POT/Suppl Order and selecting a physician from drop-down list in (M0072) Primary Referring Physician: