GGTP, SERUM
Mnemonic: GGT
CPT Code: 82977
Charge Code
70111436
Specimen Type
PLASMA/SERUM
Specimen Container
GREEN, YELLOW, RED
Specimen Handling
SEPARATE FROM CELLS WITHIN 2 HOURS. KEEP CAPPED AND VERTICAL.
Unacceptable Conditions
WHOLE BLOOD, URINE, LAVENDER TOP TUBE, BLUE TOP TUBE, AND GREY TOP TUBE.VISUAL HEMOLYSIS
Temperature
REFRIGERATED
Methodology
ENZYMATIC RATE METHOD. G-GLUTAMYL TRANSFERASE CATALYZES GAMMA-GLUTAMYL GROUP FROM THE COLORLESS SUBSTRATE, Γ-GLUTAMYL-P-NITROANILINE, TO THE ACCEPTOR, GLYCYLGLYCINE WITH PRODUCTION OF THE COLORED PRODUCT, P-NITROANILINE
Volume
0.5 ML
Minimum Volume
0.3 ML
Additional Information
G-GLUTAMYL TRANSFERASE MEASUREMENTS ARE USED IN THE DIAGNOSIS AND TREATMENT OF LIVER DISEASES SUCH AS ALCOHOLIC CIRRHOSIS AND PRIMARY AND SECONDARY LIVER TUMORS.
Stability
48 HOURS, 8 HRS. ROOM TEMP, FREEZE
Reference Range Information
THE FOLLOWING DRUGS MAY CAUSE ARTIFICIAL SERUM Γ-GLUTAMYL TRANSFERASE ELEVATIONS: ETHANOL, PHENOBARBITONE, PHENYTOIN, METHAQUALONE, AMYLOBARBITONE, DICHLORALPHENAZONE, QUINALBARBITONE, AND NITRAZEPAM.
Turn Around Time
NEXT DAY
Place of Service
GRITMAN MEDICAL CENTER
| Result Code | Result Name | Sex | Units of Measure |
|---|---|---|---|
| GGTP | GGTP, SERUM | MALE | U/L |
| GGTP | GGTP, SERUM | FEMALE | U/L |
| Reflex Order Code | Reflex Order Name | Reflex CPT4 |
|---|---|---|
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