Epic Code LAB85 Gamma Glutamyl Transferase (GGT) Level
Test Name Alias
GGT Blood Level | 8146
Interface Order Alias
10043
Collection Instructions
Specimen Collection: Blood
Container(s): 4.5 mL Mint Green Top (Lithium Heparin Gel) or 5.0 mL Gold Top (Serum Separator-SST Gel)
Preferred Volume to Collect: 4.5 mL
Minimum Volume to Collect: 1.0 mL
Neonate Volume to Collect: 0.5 mL
Capillary collect ok? Yes
Microtainer acceptable: Yes
Collection Instructions:
- After collection, gently invert tube 8-10 times.
- Specimen should be processed within 2 hours – See Processing Instructions.
Processing Instructions (Laboratory, Outpatient or Off-site collection)
Processed Specimen: Plasma or Serum
Centrifuge/Spin: Yes
Aliquot: Yes
Processing Instructions:
- Plasma is preferred specimen type
- Green Tube/Plasma: Centrifuge after collection.
- Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
Transport Temperature: Refrigerate
Specimen Stability
Ambient: 12 hours
Refrigerate: 72 hours
Frozen: aliquot plasma/serum for longer storage
Laboratory Retention: 72 hours
Test Frequency
Available daily, usual TAT 1 day.
Reference Range
Male/Female
0 Minutes up to 8 Days: 25 – 250 IU/L
8 Days up to 1 Month: 12 – 125 IU/L
1 Month up to 3 Months: 8 – 80 IU/L
3 Months up to 16 Years: 5 – 35 IU/L
16 Years up to 150 Years: 10 – 45 IU/L
Performing Department
CHEMISTRY
Performing Department Laboratory Location
Spectrum Health Regional Laboratory, Grand Rapids, MI
Spectrum Health Ludington Laboratory, Ludington, MI
Spectrum Health Pennock Laboratory, Hastings, MI
Spectrum Health United Laboratory, Greenville, MI
Spectrum Health Zeeland Laboratory, Zeeland, MI
Methodology
Enzymatic
CPT
82977-LAB-GGT
CDM Code
4058146
Epic Test ID
1230100716
LOINC
GGT: 2324-2
Beaker LOINC
GAMMA GLUTAMYL TRANSFERASE: 2324-2
HEMOLYSIS INDEX: N/A
LIPEMIA INDEX, SERUM:
N/A
Reviewed Date
3/5/2020
Beaker Names
Beaker Procedure Name: GAMMA GT
Beaker Display Name: Gamma Glutamyl Transferase
(GGT) Level
BEAKER TEST NAME:
GGT
BEAKER TEST REPORT NAME: GGT
Beaker Synonyms
No synonym on file
Beaker Location, Container and Temperature
BW CHEMISTRY:
GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
BW CHEMISTRY:
GOLD TOP
SST TUBE R
(Acceptable)-Refrigerated
LH CHEMISTRY:
GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
LH CHEMISTRY:
GOLD TOP
SST TUBE R
(Acceptable)-Refrigerated
PH CHEMISTRY:
GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
PH CHEMISTRY:
GOLD TOP
SST TUBE R
(Acceptable)-Refrigerated
UN CHEMISTRY:
GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
UN CHEMISTRY:
GOLD TOP
SST TUBE R
(Acceptable)-Refrigerated