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Test Code BAP Bone Alkaline Phosphatase, Serum

Additional Codes

Epic Ordering Code LAB1070
NBS code LBC01590
Service code 36907

Reporting Name

Bone Alkaline Phosphatase, S

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

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.


National University Hospital-Singapore Note:

NUH Outreach Laboratories:
Specimen Requirements
Submit only one of the following:
Preferred: Gold Top
Acceptable: Red Top
Processing Requirements
Centrifuge and aliquot serum into a plastic vial.
Specimen type: Serum
Volume: 0.6 mL
Storage/transport requirements: Frozen

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Frozen  90 days
  Ambient  7 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK

Method Name

Immunoenzymatic Assay

Day(s) Performed

Monday through Saturday

Report Available

2 to 3 days
National University Hospital-Singapore Note:

Please note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful 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.

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

Secondary ID

82985

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.
National University Hospital-Singapore Additional Information:

Last updated 03/07/2026