StacksVerified U.S. regulatory reference

42 CFR §485.518

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The REH must provide basic laboratory services essential to the immediate diagnosis and treatment of the patient consistent with nationally recognized standards of care for emergency services, patient population, and services offered. The REH must ensure that—
  1. (a)Laboratory services are available, either directly or through a contractual agreement with a certified laboratory that meets requirements of part 493 of this chapter.
  2. (b)Emergency laboratory services are available 24 hours a day.