Prolonged Services – General Rules

30.6.15.1 - Prolonged Services – General Rules (Rev. 11842; Issued; 02-09-23 Effective:01-01-23; Implementation: 05-09-23) Prolonged E/M services may be reported for certain E/M visit families, when the total visit time spent by the practitioner exceeds a certain time threshold. Prolonged E/M services are reported using Medicare-specific coding. See section 30.6.18 for rules regarding billing of E/M visits that are split (or shared) and involve prolonged service time.