21Occurrence CodeCoverage/Review
Reports the date a utilization review notice was received.
Related Coverage/Review codes
20Reports the date Part A hospital payment guarantee began.26Reports the date a bed became available at a skilled nursing facility.31Reports the date the beneficiary was notified about non-covered accommodations.32Reports the date the beneficiary was notified about non-covered procedures or treatments.47Reports the date cost outlier status began for this stay.
Frequently asked questions
What does occurrence code 21 mean?
Reports the date a utilization review notice was received.
What category is occurrence code 21 in?
21 falls under the Coverage/Review category of UB-04 occurrence codes.
Descriptions sourced from CMS Medicare Claims Processing Manual. Always verify codes with authoritative sources before making billing decisions.