Specimen Collection Manual and Test Catalog
CITRIC ACID, 24-HOUR URINE WITHOUT CREATININE
Geisinger Epic Procedure Code: LAB2020 Geisinger Epic ID: 655524-hour urine
10 mL aliquot of 24-hour urine; minimum 1.5 mL.
Collect 24-hour urine without preservative. Refrigerate during and after collection. Mix well. Estimate total collection volume from 24-hour urine container. Remove required aliquot. Record total volume on both aliquot tube and request slip (if applicable).
Do not include first morning specimen; collect all subsequent voidings. The last sample collected should be the first morning specimen voided the following morning at the same time as the previous morning's first voiding.
Refrigerated (preferred) or frozen.
Room Temperature: 8 hours. Refrigerated: 1 month. Frozen: 2 months.
Received room temperature. Acidified urines are unacceptable.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Citric acid, 24-hour urine.
Quest test code 11315, CIT24U