Container/Tube: 24 Hour Urine container or Random Urine Specimen: Submit an entire 24-hour urine collection. or 12 mL aliquot of 24 hr Urine (10 mL min) Indicate TV on vial or 10 mL random Urine Transport Temperature: Frozen Specimen Preparation: Transfer 12 mL aliquot of urine from a well-mixed 24-hour collection to Standard Transport Tubes. Also acceptable: Specimens refrigerated with preservatives are acceptable. Sample pH must be 5.0 - 7.0. Mix well, add 1 g boric acid/100 mL urine, adjust pH (with boric acid) to 5.0-7.0 and freeze. Record total volume, collection time, and pH on transport tube and test request form. Random specimens without preservative are acceptable if frozen within 15 minutes of collection. Stability; 4 Hours Room Temperature 7 Days Refrigerated 30 Days Frozen
