105 CMR 130.834
Ancillary Services and Support
Each SEF shall have:
(A) on site basic diagnostic radiology available 24 hours per day;
(B) the capability of performing on site basic laboratory testing with results available in less
than one hour;
(C) laboratory services capable of performing blood gas analysis and routine hematology and
chemistry available 24 hours per day;
(D) radiology services including CT scans and ultrasound with a clinically appropriate
turnaround time from the ordering to the reporting of results; if done off-site the SEF must have
in place appropriate transport protocols; and
(E) plain film radiography available on site with technicians available 24 hours per day.