G

Collection Tube Abbreviations

Test (TEST CODE)	Lab Section	Special Requirements	Reference Ranges and Critical Values	Testing Schedule and Expected Turnaround Time
G6PD Screen  (G6PD)	Heme	1 LT, 1YT, or 1 GRN	Normal activity	8 am-10 pm
G-6PD Quantitative	Ref	5 ml blood, 1 YT, 1 GRN or 1 LT	ARUP Test Directory	Mailout: 5-7 days
Gabapentin (GABA)	Ref	10 ml blood, a large RT	ARUP Test Directory	Mailout: 5-7 days
Gamma Glutamyl Transferase   (GGT)	Chem	See GGT
Gastric Analysis	Ref	10 ml gastric aspirate	ARUP Test Directory	Mailout: 5-7 days

Gastrin (GASTR)	Ref	6 ml blood, 1 RT	ARUP Test Directory	Mailout: 5-7 days
Gonorrhea (GC) Culture (GCCLT)	Micro	Swab in Amies with charcoal transport media (green cap)	Negative Physician will be called for cultures growing Neisseria gonorrhoeae	Daily Result: 48-72 hrs.
Gentamicin  Peak (GENTP) Trough (GENTT) Random (GENTR)	Chem	5 ml blood, 1 Light Green See TDM Guidelines	Random: N/A Peak: 5-10 µg/mL Trough: 1-2 µg/mL Critical Value: >10 µg/mL	24 hrs/ 7 days Results: 2 hrs STAT: 1 hr
GGT Adults (GGT) Neonates (GGTP)	Chem	Adults: 5 ml blood, 1 Light Green  Neonates: 1 green tube	Adult: 7 - 50 IU/L Pediatric:  34 - 263 u/L	24 hrs/ 7 days Results: 2 hrs STAT: 1 hr
Giardia lamblia	Ref	Stool transported in PVA and 10% Formalin collection set. (pink and blue cap) (Must be filled to fill line or specimen will be rejected.) Test performed at SHD	Negative Physician will be called with Positive results.	Daily Results: Upon receipt from ADH
Gliadin Antibodies (GLID)	Ref	10 ml blood, 2 Gold Top	ARUP Test Directory	Mailout: 5-7 days
Glomerular Basement Membrane Antibody Panel (GBMP)	Ref	10 ml blood, 1 large Gold Top Separate serum from cells ASAP	ARUP Test Directory	Mailout: 5-7 days
Glucagon (GLCG)	Ref	4 ml blood, 1 LT with 200 µL aprotinin. Separate plasma from cells ASAP and freeze.  Special collection tubes available from ARUP.	ARUP Test Directory	Mailout: 5-7 days
Glucose, Body Fluids (FLGLU)	Chem	0.5 ml CSF or fluid	CSF: 40 - 70 mg/dL Reference ranges for other body fluids have not been established.	24 hrs/ 7 days Results: 2 hrs STAT: 1 hr DKA's 15-30 min
Glucose, Pediatric (GLUCP)	Chem	1 green bullet	D1:    50 - 100 mg/dL ≥D2:    70 -105 mg/dL Critical Values: <45 or >180	24 hrs/7 days Results:   Routine: 1 hr   STAT: 15 min
Glucose, Adult Random (non-fasting) (GLUC) Fasting (FBS)	Chem	5 ml blood, 1 Light Green	70-110 mg/dL Critical Values: <50 or >450 mg/dL	24 hrs/ 7 days Results: 2 hrs STAT: 15-30 min
Glucose Tolerance Test Panel (GTT3) Initial fasting (FGTT) 1 hour sample (1GTT) 2 hour sample (2GTT) 3 hour sample (3GTT)	Chem	3 ml blood, 1 GYT at selected times.	Interpretive report A separate requisition must accompany each sample and specify time interval.	M-F
Glucose, Urine (UGLUC)	Chem	Chem Random or Timed urine; 24 hr in Type I bottle	Random: negative Timed: <0.5 g/24hr	24 hrs/ 7 days Results: 2 hrs STAT: 30 min -1 hr
Glucose-6-Phosphate (G6PD)	Heme	See G6PD Screen
Glutamic Acid Decarboxyase Antibody (GADA)	Ref	6 ml blood, 1 Gold Top	ARUP Test Directory	Mailout: 5-7 days
Glycosylated Hemoglobin (HBA1C)	Chem	See Hgb A1C		M,W,F only Results: Same day
GM-1 Antibody Panel (GM1P)	Ref	5 ml blood, 1 Gold Top	ARUP Test Directory	Mailout: 5-7days
Gold	Ref	7 ml blood, royal blue top.  Transport serum in metal free vial	Mayo Reference Services	Mailout: 1 week
GOT	Chem	See AST
GPT	Chem	See ALT
Group A Strep Antigen Throat Screen (SGRA1)	Micro	Swab transported in LQ Stuart media (red cap)	Negative Physician will be called with Positive results.	Daily Results: Same day
Group B Strep Genital Screen Culture (GNSTR)	Micro	Vaginal or anorectum swab in Amies transport media (white cap)	Negative	Daily Results: 72 hrs
Group & Type		See ABO Group & Rh Type
Growth Hormone (HGH1)	Ref	5 ml blood, 1 Gold Top	ARUP Test Directory	Mailout: 5-7days

Updated: 09.27.2012

Clin Lab Home Page

 For web page issues you may contact the Webmaster.