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HelpTest Code LAB1966 Sulfhydryl Groups Qualitative, Urine
Clinical System Name
Sulfhydryl Groups Qualitative, Urine
Sample Requirements
Specimen: Urine
Container(s): Leak-Proof Container, Sterile Screw-Capped Container
Preferred Vol: 10.0 mL
Minimum Vol: 3.0 mL
Processing Instructions
Reject due to:
Spin:N
Aliquot:Y
Temp:-20 C
Storage location: -20 C BCG Box
Off-site collection: Aliquots should be taked from a thoroughly thawed & mixed refrigerated sample. Ship frozen.
Stability
| Temperature | Time |
|---|---|
| Room temp | ≤2 hrs |
| Refrigerated | <8 hrs |
| Frozen | 1 month |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Biochemical Genetics
Phone Number: 206-987-2216
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | Daily | 5 days |
Contact the Biochemical Genetics Lab for requests outside of stated availability (206)987-2216.
Methodology
Method: High pressure liquid chromatography using an ion exchange column
Analytical Volume: 1 mL
Limitations:
Requisition
Biochemical Genetics Requisition
On the requisition include clinical inforamtion needed for appropriate interpretation. (Age, gender, diet (e.g. TPN therapy), drug therapy and family history)
CPT Codes
82615
Clinical Utility
Screen for elevated excretion of cystine or homocystine
Reference Range
Negative
Synonyms
U Slfhdryl