White Cell Cystine
Label Mnemonic: WBCCYS
Epic Lab Code: LAB4286
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Whole Blood
Specimen Instructions:
Blood must be taken before a scheduled dose of cysteamine and (for this method) processed immediately for the white cell cystine measurements to be meaningful.
Collection Medium:
Yellow top tube 8.5 mL (ACD solution A)
Minimum:
Preferred Minimum: 8.5 mL blood in ACD solution A) yellow top tube
Absolute Minimum: 2.0 mL blood in ACD solution A) yellow top tube
Delivery Instructions:
Keep on ice and deliver to laboratory immediately.
Testing Schedule:
Collect Monday thru Thursday only. Do not collect on Fridays, Weekends, or Holidays.
Comments:
Please print, complete, and submit the UCSD Biochemical Genetics and Metabolomics Standard Requisition with the sample and the A-1a Miscellaneous Request or Epic Req.
CPT Code:
82131