Additional Specimen Collection Information

Collect a timed urine specimen, 24 hour preferred. Preservative required. Add 10 mL of 5% Sodium Hydroxide (NaOH) to a 24 hour collection container prior to the start of the collection. Keep the specimen at room temperature during the collection period. Label the container with preservative information. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Indicate the time period of collection on the container. Submit entire specimen for analysis and transport to the lab within 48 hours.