Alanine AminoTransferase
Test Code
ALTX
Description
Collect
Plain red top or SST tube.
Specimen Preparation
Onsite [NJH]: Transport to lab within 1 hour.
Offsite: Separate serum from cells within 2 hours by centrifuge and aliquot into a labeled polypropylene or similar plastic tube.
Preferred volume: 1 mL serum
Pediatric Collection
Minimum volume: 0.15 mL serum
Unacceptable Conditions
Gross Hemolysis
Storage Transport Temp
Offsite: Send frozen serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Stability after cell separation:
8 hours at RT (15-25°C)
3 days at 2-8°C
>3 days frozen at ≥ -20°C
Performed
Mon-Fri
Methodology
Kinetic
Reported
4 hour routine, 1 hour STAT
Department
Core LabSynonyms
ALTX
Reference Interval
| AGE | MALE (U/L) | FEMALE (U/L) |
| Newborn-5 | 11-39 | 10-32 |
| 6-9 | 12-34 | 11-28 |
| 10-19 | 8-36 | 8-29 |
| 20+ | 10-40 | 10-40 |
CPT Code
84460