Alkaline Phosphatase
Test Code
ALP
Description
Alkaline Phosphatase - Serum alkaline phosphatase levels are of interest in the diagnosis of hepatobiliary disorders and bone disease associated with increased osteoblastic activity. Moderate elevations of alkaline phosphatase may be seen in several conditions that do not involve the liver or bone. Among these are Hodgkin's disease, congestive heart failure, ulcerative colitis, regional enteritis, and intra-abdominal bacterial infections. Elevations are also observed during the third trimester of pregnancy.
Collect
Plain red top or SST tube.
Pediatric Collection
Minimum volume: 0.15 mL serum
Unacceptable Conditions
Gross Hemolysis
Storage Transport Temp
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. 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)
4 days at 2-8°C
>4 days frozen at ≥ -20°C
Performed
Monday - Friday
Methodology
Kinetic
Turnaround Time
4 hour routine, 1 hour STAT
Department
Core Lab
Synonyms
ALP
Study Offerings
Not offered
Reference Interval
| Age | Male | Female |
| Newborn-1 Year | 126-668 | 126-610 |
| 1-7 Years | 110-302 | 126-573 |
| 7-10 Years | 42-504 | 42-542 |
| 10-18 Years | 42-504 | 42-542 |
| 18+ Years | 45-117 | 45-117 |
CPT Code
84075
New York Approved
FDA Approved or Cleared
FDA
Approved or Cleared