Saline Suppression Test

Test Information

Test Name

Saline Suppression Test

Department

Biochemistry/Referral

Preferred Specimen

SST & EDTA

Testing Location

PLR/PLBOP/Referral

Collection Information

Preparation

Hospital managed IV infusion 4 hr test
Pre dose collect 0 hr, tests: Cortisol, Aldosterone/renin
Post dose 4 hr or 240 minutes, tests: Cortisol, Aldosterone/renin
UEC maybe requested in addition at both time points to check for patient electrolytes impairment.

Processing Information

Registration Code

CORT, ALDS, RENP

Notes

Refer to Renin for handling
Refer to Aldosterone for handling
Refer to Cortisol for handling

External Referral Information

Referral Location

Waikato Hospital Laboratory

Send Away Transport

Frozen for renin and aldosterone