Test Code BAP Bone Alkaline Phosphatase, Serum
Additional Codes
Outreach (Atlas) Order Code
ALPBS
Hospital (Cerner) Order Code
ALKPBS
Reporting Name
Bone Alkaline Phosphatase, SUseful For
Diagnosis and assessment of severity of metabolic bone disease including Paget disease, osteomalacia, and other states of high bone turnover
Monitoring efficacy of antiresorptive therapies including postmenopausal osteoporosis treatment
The assay is not intended as a screening test for osteoporosis.
Measurements of bone turnover markers are not useful for the diagnosis of osteoporosis; diagnosis of osteoporosis should be made based on bone density.
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen Type
SerumSpecimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.6 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 14 days | |
Frozen | 90 days | ||
Ambient | 7 days |
Reference Values
Males
<2 years: 25-221 mcg/L
2-9 years: 27-148 mcg/L
10-13 years: 35-169 mcg/L
14-17 years: 13-111 mcg/L
Adults: ≤20 mcg/L
Females
<2 years: 28-187 mcg/L
2-9 years: 31-152 mcg/L
10-13 years: 19-177 mcg/L
14-17 years: 7-41 mcg/L
Adults
Premenopausal: ≤14 mcg/L
Postmenopausal: ≤22 mcg/L
Day(s) Performed
Monday through Saturday
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
84080
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
BAP | Bone Alkaline Phosphatase, S | 17838-4 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
BAP | Bone Alkaline Phosphatase, S | 17838-4 |
Report Available
2 to 3 daysReject Due To
Gross hemolysis | Reject |
Gross lipemia | OK |
Method Name
Immunoenzymatic Assay