ALT (ALT)

Department: Chemistry
Test Synonym(s): LAB132, SGPT, ALT, Alanine transaminase
CPT Codes: 84460
Methodology: Kinetic Coupled Enzymatic Assay
Reference Range: CALIPER 0 to < 1 yr: 5-51 U/L; 1 yr to <13 yrs: 9-25 U/L; 13 yrs to <19 yrs: 8-24 U/L; Abbott 19 yrs to 150 yrs: 0-55 U/L (Pediatric Reference Ranges only verified for serum, see CALIPER Study in Colantonio DA, et.al Clin Chem 2012;58(5):854-868.)
Tube Type: Light green top PST (Lithium Heparin with gel) tube
Specimen: Plasma
Alternate Specimen: Red top (no gel)
Pediatric Requirements: 1 light green top microtainer
Volume: 1 mL plasma
Minimum Volume: 1 light green top
Temperature: Separate within 1 hour and store/ship @ ambient temperature until delivery.
Stability: Room temperature: 3 days; Refrigerated: 7 days; Frozen: 60 days
Reasons for Rejection: Hemolysis, improper collection
Days Performed: Daily
Times Performed: Continuous
TAT: STAT: 1 hour; Routine: 2 hours after receiving in lab

---

Search Help

---

Search Options for the Test Directory:

1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)

2. Enter the Vanderbilt Test Code, if known.

3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.

If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail emily.k.thompson@vumc.org.