ALP hydrolyses phosphate esters at alkaline pH. ALP is present as several isoenzymes; liver, bone, placenta, intestines and kidney. Plasma ALP is principally the liver and bone isoenzymes. Liver ALP derives from the biliary canalicular membrane. Bone ALP derives from osteoblasts.
Tube
01 (SE) – Serum Gel
ID
Tests&Tubes0004
Additional Information
CALIPER ref ranges adopted for paeds. Adult: 30 to 130 U/L
Paediatric:
Age Female Male
<14 days 82 to 249 82 to 249
15 days to 1 yr 122 to 473 122 to 473
1 to 10 yrs 142 to 336 142 to 336
10 to 13 yrs 128 to 420 128 to 420
13 to 15 yrs 55-255 115-471
15 to 17 yrs 49 to 116 81 to 333
17 to 18 yrs 43 to 86 53 to 149
Turn Around
A&E: N/A
Day Case: N/A
In-Patient: 6 Hours
Out-Patient: 24 Hours
GP: N/A
Send to
Blood Sciences Cross Site
Contact
For further details please contact Leeds Pathology customer services: [email protected].
Collection Con
Intensive care units, renal unit, transplant unit, patients on IV heparin use lithium-heparin (Green with Yellow ring) tube. Minimum volume: 500µl serum / plasma
Instructions for Lab Staff: Standard lab processing- No special requirements
Sample REQ
Blood
Ref. Range Notes
Units
iu/L