Test Name: ALT
EPIC Search Term: LABALT
Preferred Container: 1 x 0.6 mL Green Lithium Heparin with Gel Microtainer
Alternate Container: 1 x 0.6 mL Amber Microtainer with Gel
1 x 1 mL Green Lithium Heparin Tube with Gel
1 x 2 mL Red With Clot Activator
1 x 2 mL Green Lithium Heparin Tube without Gel
1 x 1 mL Red/Black Serum Separator (SST) Vacutainer
Sample Type: blood
Interfering Substances: Gross Hemolysis
Testing Frequency: Daily
Expected Turn Around Time: Same day
Clinical Application: ALT is present in liver, skeletal muscle, heart and kidney. Serum AST increases rapidly in liver cell necrosis, hepatitis, lover tumors, obstructive jaundice, Reys's syndrome, extensive trauma to skeletal muscle, myositis, myocarditis and myocardial infarction. AST levels can rise due to hemolysis
Reference Ranges: Age 0-3 years: Male: 12-45 Female: 14-45
Age 4-13 years: Male: 10-41 Female: 11-28
Age 14-18 years: Male: 11-26 Female: 10-35
Age >/=19 year: Male: <50 Female: 5-34

Unit of Measure: U/L
Test Performed By: Texas Children's Hospital Pathology Services

Available at TCH Main Campus: 832-824-5152
6621 Fannin, MC 1-2261
Houston, TX 77030-2399

Available at TCH Pavilion for Women: 832-826-7400
6651 S. Main St.
Houston, TX 77030

Available at TCH West Campus: 832-227-1700
18200 Katy Freeway
Houston, TX 77094

Available at TCH Woodlands Campus: 936-267-5200
17600 Interstate 45 South
The Woodlands, TX 77384
Lab Section: Chemistry