3-7 days after setup at PeaceHealth Laboratories reference lab
Specimen Collection Details
Collection:
24-hour urine. Refrigerate during collection, handling, and transport.
Handling:
Mix well, add 1g 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 requisition.
Stability:
With preservative, 4 hours ambient or 7 days refrigerated. Unpreserved, 30 days frozen.
Standard Volume:
12 mL urine
Transport:
Frozen.
Comments:
Random specimens are acceptable, but are reported as mg/L and have no reference interval. Specimens refrigerated without preservatives are acceptable.
Rejection Criteria:
Alkali preservatives, e.g., specimen previously preserved with NaOH.