Laboratory Test DirectoryShare
Cystine Quantitative, Urine
|Methodology:||Liquid Chromatography/Tandem Mass Spectrometry|
Collect: 24-hour OR other timed urine collection - 4 ml urine.
Avoid dilute urine when possible. Refrigerate 24-hour/timed specimens during collection.
Specimen Preparation: Mix urine well. Transfer aliquot urine to a Standard Transport Tubes and freeze immediately. Record total volume and collection time interval on transport tube and test request form. Storage/Transport Temperature: CRITICAL FROZEN.
Unacceptable Conditions: Refrigerated or room temperature specimens.
Remarks: Clinical information is needed for appropriate interpretation. Additional required information includes age,gender, diet (eg, TPN therapy), drug therapy, and family history. Biochemical Genetics Patient History Form is available on the ARUP Web site or by contacting ARUP Client Services.
Stability: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
Lab ARUP Laboratory
|Test Panel Components||Creatinine, Urine; Cystine, Urine - Quantitative|
|PDF Document||Patient history.pdf|