Test Code ALP Alkaline Phosphatase
Specimen Requirements
Submit only one of the followings
Preferred
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
___________________________________________________________________________
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/Plasma |
---|---|
Ambient: | 7 days |
Refrigerate: | 7 days |
Frozen: | 7 days |
Reference Interval
Age | Male (U/L) | Female (U/L) |
---|---|---|
0 to <15 days | 90 – 273 | 90 – 273 |
15 days to <1 year | 134 – 518 | 134 – 518 |
1 year to <3 years | 156 – 369 | 156 – 369 |
3 to <6 years | 144 – 327 | 144 – 327 |
6 to <11 years | 153 – 367 | 153 – 367 |
11 to <16 years | 113 – 438 | 64 – 359 |
16 to <30 years | – | 44 – 107 |
16 to <22 years | 56 – 167 | – |
30 to unspecified | – | 46 – 122 |
22 to unspecified | 50 – 116 | – |
Days and Times Performed
24 hours, TAT 1 day
Methodology
Enzymatic Rate Assay-Modified IFCC
Service Code
31018
Update
Last updated 15/10/2024
Updated on Reference Interval & Sample stability.
Unacceptable Condition
Haemolysis | NA |
---|---|
Icterus | NA |
Lipaemic | NA |
Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Assessment of Liver Profile. Evaluation of metabolic bone disease