Test Code CC Creatinine Clearance
Specimen Requirements
Plasma or serum and urine are required. Blood specimen must be drawn within 24 hours before or after urine collection.
Urine
3 mL from a 24-hour urine collection in a plastic urine container.
No preservative. Send specimen refrigerated. Forward promptly.
Note: 1. 24-Hour volume is required.
2. Follow instructions in Urine Collection in Special Instructions.
Submit only 1 of the following specimens:
Plasma
Container/Tube: Green-top (heparin) gel tube
Specimen Volume: 0.5 mL of heparinized
plasma
Transport Temperature: Refrigerate
Collection Instructions: Forward promptly.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Container/Tube: Gold-top serum gel tube
Specimen Volume: 0.5 mL of serum
Transport Temperature: Refrigerate
Collection Instructions: Forward promptly.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Performing Laboratory
Munson Healthcare Laboratories
Methodology
Modified Jaffe, kinetic
Reference Values
Males
0 years: 92-150 mL/min
30 years: 85-143 mL/min
40 years: 78-136 mL/min
50 years: 72-130 mL/min
60 years: 65-123 mL/min
70 years: 58-116 mL/min
80 years: 53-109 mL/min
Females
0 years: 86-140 mL/min
30 years: 79-133 mL/min
40 years: 73-126 mL/min
50 years: 67-121 mL/min
60 years: 60-114 mL/min
70 years: 54-108 mL/min
80 years: 48-101 mL/min
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82575