Random urine.

Also acceptable:

• 25 mL 6N HCI, No preservative, 10 mL concentrated glacial acetic acid
• Acceptable to add preservative after collection

5 mL random urine (Min: 1.5 mL).

Preserved: Ambient (room temperature)

Unpreserved: Frozen

* Collection Instructions *

• After urine collection, add 6N HCI to maintain a pH below 3.
• Urine without preservative is acceptable if pH is below 6 and the sample is shipped frozen.
• Record patients age on test request form and urine vial.

Preserved urine

Ambient: 10 days

Refrigerated: 14 days

Frozen: 90 days

Unpreserved urine

Ambient: Unacceptable

Refrigerated: Unacceptable

Frozen: 30 days

Urine collected in boric acid