Hello Patricia,
If you doing for Hospital Claim We should Follow this steps for physical therapy
For Medicare we dont required authorization number, Bill type must be 851 for outpatient, Modifier should be added as GP in Block # 31,32 and 33 We need updated Occurrenc code and occurrence date such as
a. Occurrece code 11 refers to Onset of Symptoms/Illness
b.Occurrence cod 29 refres to Date Outpatient Physical Therapy Plan Established or Last Reviewed
c. Occurrence code 35 refers to Date Treatment Started for Physical Therapy
Block # 39 Value code as 50 refers to Physical therapy visits with Value Amount depending upon the patient visit.
If you have any questions let me know.
Thanks
Babu