Home
HelpTest 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 | 32 - 162 U/L |
| 15 days - < 1 year | 20 - 67 U/L |
| 1 year - < 7 years |
21 - 44 U/L |
| 7 years - < 12 years | 18 - 36 U/L |
| 12 years - < 19 years |
13 - 26 U/L Female 14 - 35 U/L Male |
| > 19 yrs | 5 - 34 U/L |
Performing Laboratory Section
Chemistry / UMC MAIN LABORATORY