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HelpTest Code GGT GAMMA-GLUTAMYL Transferase (GGT)
Aliasis
GGTP
Patient Preparation
No special patient preparation required
Collection Method
Venous collection
Minimum Volume
|
Adults |
1.0 mL |
|
Pediatric |
0.5 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: |
< 73 U/L |
|
Adult Females: |
< 38 U/L |
Reportable Units
U/L
Critical Value
Not defined for this assay
Reasons for Rejection
|
Hemolysis Threshold: |
750 - 1000 mg/dL |
|
Icterus Threshold: |
10 mg/dL |
|
Lipemia Threshold: |
500 mg/dL |
|
Biotin: |
3500 ng/dL |
|
Other: |
QNS, contaminated, improperly labeled, improper specimen type |
Specimen Stability
Specimens may be stored for up to 7 days at 25 C or at 2-8 C. May also be stored frozen for up to 6 months at -20 C
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
82977