Children's Mercy Hospitals and Clinics
Name
Cystine Level, urine with creatinine

CMH Lab Section
Biochemical Genetics

Clinical Description
Urine cystine is elevated in patients with cystinuria

Specimen Requirements
3 mL random collection urine

Availability
Routine
Testing completed daily Monday-Friday
Reports released Fridays

Turn Around Time
3-10 days
Specimens must be received in the lab by 1400 Thursday afternoon to be reported on Friday

Methodology
Ion Exchange Chromatography

Ranges
See interpretative report

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