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HelpTest Code CEA CEA (CARCINEMBRYONIC ANTIGEN)
Aliasis
CEA
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
-Lavender (LAV) top
Reference or Target Ranges
Expected Values:
Non-smoker: 0.2-2.5 ng/mL
Smoker: 0.2-5.0 ng/mL
Reportable Units
ng/mL
Critical Value
Not defined for this assay
Reasons for Rejection
|
Hemolysis Threshold: |
500 mg/dL |
|
Icterus Threshold: |
20 mg/dL |
|
Lipemia Threshold: |
1000 mg/dL |
|
Other: |
QNS, contaminated, Improperly labeled, Improper specimen type |
Specimen Stability
|
Ambient |
<8 Hours |
|
Refrigerated (4oC to 8oC) |
48 Hours |
|
Frozen |
1 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 |
Methodology/Method Description
Atellica CH Analyzer
CPT Codes
82378