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HelpTest Code ALT Alanine Aminotransferase (ALT/SGPT), Plasma or Serum
Performing Laboratory
NRL-Chemistry
Methodology
Kinetic/Photometric
ALT is an enzyme often elevated in conditions which affect the
liver such as hepatitis, infectious mononucleosis, etc.
Note: This test is also available as part of #COMP Comprehensive Metabolic Panel and #HEP PNL Hepatic Panel (Liver Profile). See Common Panel Test Combinations in Special Instructions to avoid duplicate test requests when multiple panels are ordered.
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Specimen Type: Plasma
Container/Tube: Light-green top (lithium heparin)
Specimen Volume: 1 mL
Collection Instructions:
1. Spin down unopened (vacuum intact) tube within 2 hours of draw.
2. Avoid hemolysis.
Alternate (Non-Hospital Patient):
Specimen Type: Serum
Container/Tube: Gold top, serum gel
Specimen Volume: 1 mL
Collection Instructions:
1. Spin down unopened (vacuum intact) tube within 2 hours of draw.
2. Avoid hemolysis.
Reference Values
Males
≥1 year: 5-50 U/L
<1 year: No reference range
Females
≥1 year: 1-45 U/L
<1 year: No reference range
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT-45 minutes
Routine-shift
Specimen Transport Temperature
Refrigerate
Test Classification and CPT Coding
84460