IODINECRU

Iodine, Urine with Creatinine Ratio

EPIC Test Procedure Code: LAB3368

Performing Lab:
Referral Laboratory
Container Type:
Plastic urine container - NO preservatives
Specimen Type:

Random or 24 hour urine collection

Preferred Volume:
15 mL
Minimum Volume:
10 mL
Collection Procedure:

24 Hour Urine Collection:
1. To begin the collection, empty the bladder and discard this urine. Record this time and date as the start of the collection.
2. 24 Hour urine collections should be started Sunday through Thursday.
3. Collect all urine excreted during the next 24 hours in the urine collection container.
4. Exactly 24 hours after the collection was begun, empty the bladder for the last time. Add this urine to the 24 hour urine container. The collection is finished.
5. The container should be refrigerated during and after the 24 hour collection period until it can be brought to Saint Luke’s Regional Laboratories.

Store and Transport:
Room temperature
Stability:

Frozen - 14 days
Refrigerated - 14 days
Room temperature - 7 days

CPT Codes:

82570 - Creatinine Urine (EAP 30021617)
83789 - Iodine Random Urine (EAP 30021043)
81050 - Urine Volume Measurement (If 24 HR Urine) (EAP 30033360)

Method:
Inductively-coupled plasma/mass spectrometry (ICP/MS)
Notes:

The request form MUST state the 24 hour collection volume.

Lab Personnel

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