Preferred container; plastic urine container with at least 10 mL 6N HCl (hydrocloric acid). Specimens submitted without preservatives should be acidified after receipt to a pH of <2.0 to dissolve calcium salts.
Volume
10 mL
Specimen Handling
Final pH must be <2.
Unacceptable Conditions
Improperly labeled specimen
Temperature
Maintain specimen at room temperature. After collection: pH is adjusted to <2 with 6N HCL. (KBS tablet is acceptable).
