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Point of Care Testing
Pathology Lab Manual
All Site Content
4.0 mL blood
Volume and Container
4.0 mL plain red top blood tube ONLY
Storage and Transport
Serum is stored frozen until ready for transport to Mayo Medical Laboratory Rochester
Causes for Rejection
Gold top SST blood tube, specimens other than serum
Turn Around Time
3-10 business days from time of collection
Monday-Friday from 8 am-5 pm, except observed holidays.
CPT / HCPCS Code
Investigation of primary and secondary aldosteronism
Mayo Medical Laboratory Rochester
Test performed Monday-Saturday at Mayo Medical Laboratory Rochester
Gold top SST blood tube is NOT acceptable
See reference lab report
Limitations and Contraindications
Reference range based on upright a.m. collection from subjects on ad lib sodium intake.
A high ratio of aldosterone in ng/dL to renin activity per hour is a positive screening test result.
CPOE Test Name
Ref ALDOST, Ref Aldosterone
Created at 9/8/2014 5:57 PM by Bradshaw, Keir
Last modified at 9/8/2014 5:57 PM by Bradshaw, Keir
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