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HelpTest Code Creat CREATININE, SERUM
Patient Preparation
No special patient preparation required
Collection Method
Venous collection
Minimum Volume
1 mL
Container
Lt Green / Plasma Separator / Lithium Heparin
Preferred Specimen
Light Green Top (lithium heparin) plasma
Acceptable Specimen(s)
Serum:
-Gold Top SST
-Red Top
Plasma:
-Lt Green top (lithium heparin)
Reference or Target Ranges
|
Adult Males |
0.70 - 1.30 mg/dL |
|
Adult Female |
0.55 – 1.02 mg/dL |
Reportable Units
mg/dL
Critical Value
> 6.0 mg/dL
Reasons for Rejection
|
Hemolysis Threshold: |
500 mg/dL |
|
Icterus Threshold: |
20 mg/dL |
|
Lipemia Threshold: |
500 mg/dL |
|
Other: |
QNS, contaminated, Improperly labeled, Improper specimen type |
Specimen Stability
|
Ambient |
24 Hours |
|
Refrigerated (4oC to 8oC) |
7 Days |
|
Frozen |
3 Months |
Performance Information
|
Days and Time Performed |
24/7 |
|
Expected Turn Around Time |
STAT: 1 hour, Routine: 4 hours |
|
Stat Availability |
Yes |
|
Performing Bench |
CRMC Chemistry |
|
Methodology/Method Description |
Atellica |
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.
Methodology/Method Description
Atellical CH Analyzer
CPT Codes
82565