Test Directory

Alkaline Phosphatase

Print this page

Updated Test Information:

Test Description
Alkaline Phosphatase
Synonym(s)
ALP, Alk Phos
Test ID
ALKP
General Information
Values obtained with different assay methods should not be used interchangeably in serial testing. It is recommended that only one assay method be used consistently to monitor each patient's course of therapy. 
Specimen Type
Serum
Alternate Specimen Type
Red, heparin plasma
Specimen Requirements
SST
Specimen Collection / Processing Instructions
SST - Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube or green-top tube is used, transfer separated serum or plasma to a plastic transport tube.
Additional Processing Details
Separate serum or plasma from cells within 45 minutes of collection. If a red-top tube or green-top tube is used, transfer separated serum or plasma to a plastic transport tube.
Stability
7 days at 15-25˚C
2 weeks at 2-8˚C
2 months at -20˚C
Methodology
Enzymatic
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday
CPT Code(s)
84075
Minimum Sample Volume
Preferred volume 1mL
Pediatric Min. Volume (if applicable)
500 uL
Reference Range
  Males: (U/L) Females: (U/L)
0-14d 83-248 83-248
15d-<1y 122-469 122-469
1y-<10y 142-335 142-335
10y-<13y 129-417 129-417
13y-<15y 166-468 57-254
15y-<17y 82-331 50-117
17y-<19y 55-149 45-87
Adult 40-129 35-104
Performing Lab
Incyte Diagnostics
LOINC Code(s)
6768-6