Aspartate Aminotransferase (AST)

Mint Green Plasma Separator Tube

Tube Type

Test ID LAB131
EPIC Order AST
CPT Code(s) 84450
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station Routine 30; STAT 888
Specimen Routine: 1 mL blood/Li Heparin plasma separator tube/mint green top
Micro: 200 µL blood/plasma separator bullet
Stability
 
 
 
Unspun: ≤4 hours recommended.
Spun/Separated,
Room Temp:
≤3 days
Spun/Separated,
Refrigerated:
≤7 days
Frozen: 30 days
Availability 24 hours/day
Turnaround Time STAT 1 hr., Routine 2 hrs.
Reference Range Normal:
AST (U/L)
Age Female (U/L) Male (U/L)
0-15 days 32-162 32-162
15 days - <1 year 20-67 20-67
1 - <7 years 21-44 21-44
7 - <12 years 18-36 18-36
12 - <19 years 13-26 14-35
>19 years <34 <34
For unknown, unspecified or transgender patients, both male and female reference ranges will be reported with the following comment: "Sex-specific reference interval. Interpret in the context of patient's hormone profile."
Comments Reference ranges effective July 13, 2021.

Reviewed by Christopher Parker on December 03, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514