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HelpTest ID ALP Alkaline Phosphatase, Serum
Useful For
Diagnosing and monitoring treatment of liver, bone, intestinal, and parathyroid diseases
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumNecessary Information
Patient's age and sex are required.
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Serum gel tubes should be centrifuged within 2 hours of collection.
2. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 60 days |
| Ambient | 7 days | |
| Refrigerated | 7 days |
Reference Values
Males
0-14 days: 83-248 U/L
15 days-<1 year: 122-469 U/L
1-<10 years: 142-335 U/L
10-<13 years: 129-417 U/L
13-<15 years: 116-468 U/L
15-<17 years: 82-331 U/L
17-<19 years: 55-149 U/L
≥19 years: 40-129 U/L
Females
0-14 days: 83-248 U/L
15 days-<1 year: 122-469 U/L
1-<10 years: 142-335 U/L
10-<13 years: 129-417 U/L
13-<15 years: 57-254 U/L
15-<17 years: 50-117 U/L
≥17 years: 35-104 U/L
Day(s) Performed
Monday through Sunday
CPT Code Information
84075
Report Available
Same day/1 to 2 daysReject Due To
| Gross hemolysis | Reject |
Forms
If not ordering electronically, complete, print, and send a Kidney Transplant Test Request with the specimen.