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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:

Spun/Separated:

</=3 days

Room Temperature: </=3 days
Refrigerated:  </=7 days
Frozen: </= 3 months

Availability 24 hours/day
Turnaround Time   STAT 1 hr., Routine 2 hrs.
Reference Range  
AST (U/L)
Age Female (U/L) Male (U/L)
0-15 days 32-165 32-165
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." 

Reference ranges effective July 13, 2021.

Reviewed by Karen Hrischuk on December 13, 2019

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