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Bone-Specific Alkaline Phosphatase

BALP Bone ALP bsALP
Serum (SST) µg/L

About this test

Osteoblast-derived isoenzyme of ALP. More specific marker of bone formation than total ALP.

Reference Ranges

Sex Age Range Notes
Female 18–50 yrs < 14.3 Premenopausal female
Female ≥ 50 yrs < 22.4 Postmenopausal female
Male ≥ 18 yrs < 22.4 Adult male

Clinical Interpretation

High / Increased
Paget's disease, osteomalacia, bone metastases, primary hyperparathyroidism, high bone turnover.

Related Tests

Phosphate
Specimen
Serum (SST)
Reporting Unit
µg/L
Category
🧪 Clinical Biochemistry

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.