Sign in →

Test Code Creat Creatinine

Useful For

Assessing renal function

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

  • Adults: 0.8 mL
  • Pediatric: 0.5mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimens

Serum:

  • Gold Top SST

  • Red Top

Plasma:
  • Light Geen Top (lithium heparin)
  • Purple Top(K2 EDTA)

Reference or Target Ranges

0 – 2 months 0.3 – 1.0 mg/dL
2 months – 5 years 0.2 – 0.4 mg/dL
5 years – 11 years 0.3 – 0.6 mg/dL
11 years – 15 years 0.4 – 0.8 mg/dL
Adult Female 0.5 – 1.0 mg/dL
Adult Male 0.7 – 1.2 mg/dL

Reportable Units

mg/dL

Critical Value

Not defined for this assay

Reasons for Rejection



<!-- Rejection-->
Hemolysis Threshold
 800 mg/dL
Icterus Threshold
 35 mg/dL
Lipemia Threshold
 2000 mg/dL
Other
 QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability



<!-- Stability -->
Ambient
 7 days
Refrigerated (4°C to 8°C)
 7 days
Frozen(-40°C to 0°C)
 3 months

Performance Information



<!-- Performance information -->
Days and Time Performed
 24/7
Expected Turn Around Time
 Stat: 1 hour
Routine: 4 hours
Stat Availability
 Yes
Performing Bench
 UH Chemistry, WCH Chemistry
Methodology/Method Description
 Two site enzymatic

Additional Information/Important Notes

Estimated Glomerular Filtration Rate (eGFR) is calculated by the lab computer system and reported with all serum/plasma creatinine results on patients.

CPT Codes

82565