Collect	Screw Cap Container
	Also Acceptable	24 Hour Urine
	Transport	Refrigerated
	Minimum Volume	1 mL urine from Random or 24 hour collection
	Remarks	Random Urine. Adjust pH to 8-9 immediately after collection. Stability-Ambient 1 hour; Refrigerated: 72 hours; Frozen: 1 month
	Notes	Mix random or 24-hour collection well and adjust pH to 8-9 by adding 10% Na2CO3 Sodium Carbonate (Myoglobin is unstable in urine, unless the pH is 8.0-9.0.) For 24 hr samples, record total volume and collection time interval on transport tube and test request form.

83874 *The CPT codes provided are based on the AMA guidelines and for informational purposes