Collect	Screw Cap Container
	Transport	Frozen
	Minimum Volume	5.0 mL Urine
	Remarks	Random urine. Freeze immediately after collection.
	Notes	CRITICAL FROZEN. As soon as possible after urine has been obtained, mix the collection well and freeze. Avoid dilute urine when possible. Clinical information is needed for appropriate interpretation. Additional required information includes age, gender, diet, drug therapy, and family history. Contact client services for form. Record total volume and collection time interval on tube and test request form. Unacceptable Conditions: Room temperature or refrigerated samples.

Cystine Urine (mg/DL) Cystine/Gram Creatinine Cystine Urine (mg/D) Creatinine, Urine mg/DL

82131 *The CPT codes provided are based on the AMA guidelines and for informational purposes