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Epic Code LAB131 Aspartate Aminotransferase (AST) Level

Test Name Alias

Aspartate Aminotransferase Level |AST |GOT |SGOT | 1230101457

Interface Order Alias

10011

Collection Instructions

Specimen Collection: Blood

 

Container(s): Gold Top (Serum Separator-SST Gel) or Light Green Top (Lithium Heparin Gel)

Minimum Volume to Collect: 1.0 mL

Neonate Volume to Collect: 0.5 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

 

Collection Instructions:

  • Avoid hemolysis.
  • 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: Serum or Plasma
  • Centrifuge/Spin: Yes
  • Aliquot: Yes
  • Processing Instructions:
    • Serum 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: Refrigerated

Specimen Transport Temperature

Refrigerated

Specimen Stability

Ambient: 8 hours

Refrigerate: 48 hours

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

Sex/Age CHW CHS
 Female    
 0 up to 15 Days 40-175 U/L 0-155 U/L
15 Days up to 1 Years 28-77 U/L 0-63 U/L
1 Years up to 7 Years 29-53 U/L 0-41 U/L
7 Years up to 12 Years 26-45 U/L 0-33 U/L
12 Years up to 19 Years 21-34 U/L 0-23 U/L
19 Years up to Unspecified 0-35 U/L 0-35 U/L
     
Male    
 0 up to 15 Days 40-175 U/L 0-155 U/L
15 Days up to 1 Years 28-77 U/L 0-63 U/L
1 Years up to 7 Years 29-53 U/L 0-41 U/L
7 Years up to 12 Years 26-45 U/L 0-33 U/L
12 Years up to 19 Years 22-44 U/L 0-32 U/L
19 Years up to Unspecified 0-50 U/L 0-50 U/L


 

Performing Department

Chemistry

Performing Department Laboratory Location

CHW

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Zeeland Laboratory, Zeeland, MI

 

CHS
Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI
Corewell Health Lakeland Marie Yeager Cancer Center, St. Joseph, MI
Corewell Health Lakeland Niles Laboratory, Niles, MI
Corewell Health Watervliet Laboratory, Watervliet, MI

Methodology

Enzymatic – IFCC with pyridoxal phosphate activation

CPT

84450

CDM Code

3018445001

Epic Test ID

1230101457

LOINC

30239-8

Reviewed Date

3/7/2024

Updated Date

3/14/2024 - Reference Range

5/30/2025 - CHS info added

12/2/2025 - Gold Top Preferred specimen

Orderable Regions

Southwest; West