Establish procedures for obtaining necessary ePHI during an emergency. NIST recommends break-glass accounts, time-bounded activation, and full logging.
What else in your programme already covers this
This control maps to 28 controls across 14 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.
NIST800-CP-13 Alternative Security Mechanisms. Employ [organization-defined] for satisfying [organization-defined] when the primary means of implementing the security function is unavailable or compromised