From: Validation of use of billing codes for identifying telemedicine encounters in administrative data
Billing Code Criteria | Number of Encounters Available | Proportion of Available Encounters | Number of Encounters Selected | Proportion of Selected Encounters | Sample Weighta |
---|---|---|---|---|---|
Inpatient encounter, no modifier code | 796,481 | 0.379 | 63 | 0.1615 | 2.349146 |
Outpatient encounter, no modifier code | 1,299,521 | 0.619 | 67 | 0.1718 | 3.603393 |
Inpatient encounter, GT modifier | 552 | 0.000263 | 65 | 0.1667 | 0.001578 |
Outpatient encounter, GT modifier | 2076 | 0.000989 | 62 | 0.1590 | 0.006222 |
Inpatient encounter, GQ modifier | 0 | 0 | 0 | 0 | 0 |
Outpatient encounter, GQ modifier | 258 | 0.000123 | 132 | 0.3385 | 0.000363 |