Alkaline Phosphatase, Bone Specific (APBONE)

Test Code
LAB1070

Quest Code
29498

CPT Codes
84075

Preferred Specimen
1 mL serum

Minimum Volume
0.3 mL

Instructions
Allow serum samples to clot completely before centrifugation.

Transport Container
Preferred: Gold top; Acceptable: Plain red top

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 21 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Non-serum samples • Grossly icteric • Gross lipemia

Methodology
Immunoassay (IA)

Setup Schedule
Monday-friday

Report Available
4 days

Clinical Significance
The Bone-Specific Alkaline Phosphatase (BSAP) assay provides a general index of bone formation and a specific index of total osteoblast activity. BSAP and osteocalcin are the most effective markers of bone formation and are particularly useful for monitoring bone formation therapies and antiresorptive therapies.

Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA
14225 Newbrook Drive
Chantilly, VA 20151-2228




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.