Preparation for ACTH Aldosterone and Cosybtropin tests?

[Re-Ride]

[FONT=&quot]Advice on why these tests were ordered and how to prepare for them will be appreciated.
[TABLE="class: rz_b, width: 100%"]
[TR="class: rz_c columnHeader"]
[TH="class: rz_j, align: left"]Future Orders[/TH]
[TH="class: rz_k, align: left"]Date Expected[/TH]
[TH="class: rz_l, align: left"]Expires[/TH]
[/TR]
[TR="class: rz_9, bgcolor: inherit"]
[TD="class: rz_m"]ACTH, PLASMA[/TD]
[TD="class: rz_k"][/TD]
[TD="class: rz_l"][/TD]
[/TR]
[TR="class: rz_9 trRowLines, bgcolor: inherit"]
[TD="class: rz_m"]ALDOSTERONE[/TD]
[TD="class: rz_k"][/TD]
[TD="class: rz_l"][/TD]
[/TR]
[TR="class: rz_9 trRowLines, bgcolor: inherit"]
[TD="class: rz_m"]CORTISOL, BASELINE[/TD]
[TD="class: rz_k"][/TD]
[TD="class: rz_l"][/TD]
[/TR]
[TR="class: rz_9 trRowLines, bgcolor: inherit"]
[TD="class: rz_m"]CORTISOL, POST STIMULATION[/TD]
[TD="class: rz_k"][/TD]
[TD="class: rz_l"][/TD]
[/TR]
[TR="class: rz_9 trRowLines, bgcolor: inherit"]
[TD="class: rz_m"]RENIN ACTVITY, PLASMA[/TD]
[TD="class: rz_k"][/TD]
[TD="class: rz_l"][/TD]
[/TR]
[/TABLE]

[/FONT]
[FONT=&quot][TABLE="class: rz_b, width: 100%"]
[TR="class: rz_c columnHeader"]
[TH="class: rz_o, align: left"]Follow-Up[/TH]
[/TR]
[TR="class: rz_9, bgcolor: inherit"]
[TD="class: rz_3 hlt1"]Return Friday 4/27/18 Nurse only Cosyntropin test.[/TD]
[/TR]
[/TABLE]

[/FONT]