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HelpTest Code ALT Alanine Transaminase
Specimen Requirements
Submit only one of the following
Preferred
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0mL
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
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Acceptable
Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin/PST)
Volume: 4.5mL
Minimum Volume: 0.5mL plasma
Collection Instructions: Centrifuge within 2 hours
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Serum |
|---|---|
| Ambient: | 3 days |
| Refrigerate: | 7 days |
| Frozen: | 60 days, at -40˚C |
Reference Interval
| Age | Male (U/L) | Female (U/L) |
|---|---|---|
| 0 - <1 yr | 6 - 51 | 6 - 51 |
| 1 - 12 yrs | 11 - 30 | 11 - 30 |
| 13 - 18 yrs | 10 - 33 | 8 - 24 |
| ≥19 yrs | 6 - 40 | 6 - 35 |
Days and Times Performed
24 hours, TAT 1 day
Methodology
Enzymatic (NADH with P-5'-P)
Service Code
31015
Update
Last updated 26/02/2022
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Liver profile assessment
Alias
ALT, GPT, SGPT