Urine
Preferred: 6 mL Clear Top
Acceptable: Urine in a Grey Top (boric acid preservative)
Minimum Volume: 0.2 mL urine

• Sources other than urine.
• Grossly bloody urine.
• Urine in a preservative or container other than Clear Top/no additive sterile container or Grey Top (boric acid).
• Sample not properly identified, incorrect container, insufficient volume, or past stability.