Types of devices were determined with the use of hospital billing and physician billing devices with Current Procedural Terminology/Healthcare Common Procedure Coding System codes
| Code | Device |
|---|---|
| J7300 | T380A intrauterine copper contraceptive |
| J7302, S4989, S4981, J7297, J7298 | Levonorgestrel-releasing intrauterine system 52 mg |
| J7307 | Etonogestrel implant 68 mg |
Sanders et al. Two-year continuation of intrauterine devices and implants. Am J Obstet Gynecol 2017.