Test Code LAB131 Aspartate Aminotransferase
Additional Codes
AST
Collection:
Specimen: Blood
Preferred: Lt Green w/ Gel - Li Hep
Acceptable: SST or Red Top
Specimen Volume: 5 mL; Minimum 1.0 mL
Pediatric Collection:
One Lt Green w/ Gel - Li Hep, SST, or Red Top microtainer filled to 600 uL.
Stability:
Once serum/plasma is separated from cells:
Ambient: 8 Hours
Refrigerated (preferred): 1 Week
Frozen: 2 Weeks
Turn Around Time (TAT):
STAT: 1 HOUR
Routine: 4 HOURS
Test Availability:
24 hours a day / 7 days a week
Reference Interval:
| Age | Reference Range |
|---|---|
| < 15 days | 23 - 186 U/L |
| 15 days - < 1 year | 23 - 83 U/L |
| 1 year - < 7 years |
26 - 55 U/L |
| 7 years - < 12 years | 22 - 41 U/L |
| 12 years - < 19 years |
Female 17 - 33 U/L Male 18 - 40 U/L |
| > 19 yrs | < 40 U/L |
Performing Laboratory Section
Chemistry / UMC MAIN LABORATORY