Creatinine Clearance, Urine 24 Hour | Cleveland Clinic Laboratories

Creatinine Clearance, Urine 24 Hour Print

Test Mnemonic

UXCC

CPT Codes

82575 - QTY (1)

Includes

Creatinine Urine
Creatinine serum
Creatinine Clearance

Performing Laboratory

Cleveland Clinic Laboratories

Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
1 mL	Serum	SST (Gold)		Refrigerated	Collect blood near end of 24 hour collection of urine.
5 mL	Urine, 24-hour (well-mixed)	Clean container	Refrigerate during collection.	Refrigerated

Alternate Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
1 mL	Plasma	Sodium or Lithium heparin (Green)

Minimum Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
0.3 mL					Plasma
0.3 mL					Serum
3 mL					Urine

Stability

Environmental Condition	Description
Ambient	2 days
Refrigerated	6 days
Frozen	6 months

Days Performed

Mon - Fri

Turnaround Time

8 hours

Methodology

Name	Description
Enzymatic

Reference Range

Creatinine Clearance
Sex	Age From	Age To	Type	Range	Range Unit
Female			Normal	75 - 115	mL/min
Male			Normal	85 - 125	mL/min
Creatinine Urine
Sex	Age From	Age To	Type	Range	Range Unit
Female			Normal	0.8 - 1.8	g/24 hrs
Male			Normal	1.0 - 2.0	g/24 hrs
Creatinine, Serum
Sex	Age From	Age To	Type	Range	Range Unit
Male	18 Years	99 Years	Normal	0.73-1.22	mg/dL
Female	18 Years	99 Years	Normal	0.58-0.96	mg/dL
Creatinine, Urine
Sex	Age From	Age To	Type	Range	Range Unit
	Years	99 Years	Normal	20 - 300	mg/dL

Special Info

Indicate height and weight on requisition. Creatinine clearance will not be calculated if no serum specimen is submitted.

Clinical Info

Evaluation of renal function