CREATININE, TIMED URINE

Test Code

LAB385

CPT Codes
82570

Preferred Specimen

Urine, 24 hour collection jug

Minimum Volume

0.5 mL urine

Instructions

Store specimen jug in refrigerator during collection. Do not add preservatives. Time of collection in hours must be written on label.

Transport Temperature

Refrigerated

Specimen Stability

Ambient: 2 days Refrigerated: 6 days Frozen: 6 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Incomplete collection or time of collection not indicated

Methodology
Alkaline Picrate-Kinetic

Setup Schedule

Sunday-Saturday

Reference Range

Age	Males mg/24 hour specimen	Females mg/24 hour specimen
0 days-3 years	No ranges established	No ranges established
3-9 years	140-700	140-700
9-13 years	300-1300	300-1300
13-18 years	500-2300	400-1600
18-51 years	1000-2500	700-1600
51-81 years	800-2100	500-1400
≥ 81 years	600-2000	400-1300

Performing Laboratory
West Virginia University Hospital, Inc.
Berkeley Medical Center
Barnesville Hospital
Braxton County Memorial
Camden Clark Medical Center
Garrett Regional Medical Center
Jackson General Hospital
Jefferson Medical Center
Princeton Community Hospital
Reynolds Memorial Hospital
Summersville Regional Medical Center
St. Joseph’s Hospital
United Hospital Center
Uniontown Hospital
Wheeling Hospital

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.