CRS Sample Processing Core Laboratories

The CRS Sample Processing Core Laboratories perform specimen processing, sample storage, and shipping for a wide variety of clinical trials. Our services are available to all UCSF faculty, residents, research fellows, and collaborators who complete a CRS application and have an IRB approved protocol. Laboratory staff members are also available for custom assays and for consultation on budget inquiries.

Services and Equipment

  Parnassus Benioff Children's Hospital Mount Zion Hospital Zuckerberg San Francisco General
Specimen aliquoting Yes Yes Yes Yes
Serum/plasma separation Yes Yes Yes Yes
Buffy coat isolation Yes Yes Yes Yes
Addition of protease inhibitors, etc. Yes Yes Yes Yes
Blood smear preparations Yes Yes Yes Yes
Shipping Yes Yes Yes Yes
Short-term storage (12 months max.) Yes Yes Yes  
PBMC isolation Yes Yes    

Sample types:

  • Blood
  • Urine
  • Saliva
  • Buccal swabs
  • Cerebrospinal fluid
  • Stool
  • Amniotic fluid
  • Cell lines


  • 4°C, -20°C, and -80°C short-term storage available (12 month maximum)
  • Liquid nitrogen storage tank
  • -80°C freezers are connected to an alarm system, which is monitored continuously
  • Daily temperature logs for refrigerators and freezers
  • Calibration and maintenance of laboratory equipment (freezers, centrifuges, biosafety cabinet, etc.) are performed regularly

Sample Management:

  • Freezerworks software is used to create labels, manage inventory, and track samples
  • Freezer Storage Memo (pdf 800KB)

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Laboratory Hours and Staff

Hours and Locations:

Parnassus - 513 Parnassus Avenue, Medical Sciences Building, S1234
Monday-Friday, 8AM-6PM

Benioff Children's Hospital - 1825 4th Street, Gateway Medical Building, M6388 Monday-Friday, 8AM-6PM

ZSFG – 1001 Potrero Avenue, Building 5, Unit 5B Monday-Friday, 8AM-5PM

Mt. Zion – 1600 Divisadero Street, A650 Monday-Friday, 8AM-5PM

Laboratory Staff:

Manager: Nick Larocque
Lab Supervisors: Ron Honrada and Zulma Finney


Laboratory Contact:
Nick Larocque

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