We have a request for renin on a patient case. Is there a reference lab that does this? I've checked our usual send out places with no luck. Thank you for any info! Sally Ann Drew, MT (ASCP) sdrew <@t> uwhealth.org IHC/ISH Lab DB1-223, Mail Code 3224 600 Highland Ave. Madison, WI 53792 Phone (608) 265-6596 Fax (608) 262-7174