Biopterin, Urine

Abbrev Code:XMISC   
Order Code:LAB4909Order Name:Laboratory Miscellaneous Order
Methodology:High performance liquid chromatography (HPLC); fluorescent detection
CPT Codes: 82542 x1
Turnaround Time:Specimens are sent to the reference laboratory Mon-Thur; results are reported within 7 working days.
Special Instructions:A completed requisition must accompany each specimen. See Associated Links.
Associated Links:

Urine Collection Procedure, CHLA Biochemical Genetics Special Chemistry Requisition

Collection Instructions

Specimen:Urine, random
Optimal Volume:Submit entire collection; analysis requires 10 mL; 5 mL minimum.
Container:Plastic leakproof container, sterile
Collection Instructions:Collect urine in dim light and place in a brown plastic bottle. Do not exposure to light.
Causes for Rejection:Exposure of urine to light or clear urine container without light protection.

Processing and Shipping

Specimen Processing:Aliquot 10 mL; 5 mL minimum; store frozen. Protect from light.
Shipping Instructions:Ship frozen.
Test Performed at or Referral Lab Lab Sendouts  (Children's Hospital of Los Angeles)

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