Table 3.

Reasons for billing zero-charge time

Comments	Total hours
Rounding	853
No reason stated (free-text box blank)	412
Sign-out	196
Chart review	169
Teaching/training activities	111
Direct patient care	66
Billing time	58
Speaking to family/patient	55
Discharge/transfer-related activities	22
Administrative tasks	9
Patient died	1
Total	1,952

Convenience sample from December 26, 2010, through January 31, 2011.