Creatinine, Random Urine
Main Content
Test code: 8459
CPT code(s): 82570
Methodology: Colorimetric • Kinetic
Reference range(s):
| ≤6 months | 2-32 | Mg/dl |
| 7-11 months | 2-36 | Mg/dl |
| 1-2 years | 2-128 | Mg/dl |
| 3-8 years | 2-149 | Mg/dl |
| 9-12 years | 2-183 | Mg/dl |
| >12 years male | 20-370 | Mg/dl |
| >12 years female | 20-320 | Mg/dl |
Clinical significance:
Creatinine is the endproduct of creatine metabolism. Creatine is present primarily in muscle and the amount of creatinine produced is related to total skeletal muscle mass. Daily creatinine production is fairly constant except when there is massive injury to muscle. The kidneys excrete creatinine very efficiently and blood levels and daily urinary excretion of creatinine fluctuates very little in healthy normal people. Since blood and daily urine excretion of creatinine shows minimal fluctuation, creatinine excretion is useful in determining whether 24-hour urine specimens for other analytes (e.g., protein) have been completely and accurately collected.
Supply: #170551 90mL Sterile w/ Green Lid
Preferred specimen(s): 10 ml random urine, no preservative
Transport container: Plastic screw-cap container
Transport temperature: Room temperature
Specimen stability:
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Reject criteria: none
Setup time: 2nd shift
Setup days: Mon-Fri
Report available: 72 hrs
For additional supply or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.
The CPT codes provided 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.
CLIA