Specimen:

Urine Quantitative

Collection Medium:

Alternate
Collection Media:

Call laboratory for additional acceptable specimen collection 
containers.

Minimum:

24 hr urine; no preservative.  Collection other than 24 hr will not be
calculated for mg/24 hr.  Must have at least 10 ml to titrate.

Testing
Schedule:

24 hrs/day, 7 days a week, including holidays.

Analytic Time:

24 hours (upon receipt in laboratory)

Reference Range:

Diet dependent

Methodology:

Spectrophotometric

Sample
Processing:

Submit in leakproof container.
Label transport tube with two patient identifiers, date and time of 
collection.

Sample
Storage:

Ambient or Room Temperature up to 24 hours.

Transport
Instructions:

Ship ambient or refrigerate.
Place requisition in bag, seal bag, and tape securely to (urine) 
container.

Instructions:

24 hr urine; no preservative.  Collection other than 24 hr will not be
calculated for mg/24 hr.  Record dates and time of collection on 
requisition.  Minimum sample volume 10 ml.

CPT Code:

82340

See Additional Information:
Urine Collection, 24 Hour
Urine Tests Requiring no Preservatives