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Osteocalcin

Bone Gla Protein BGP
Serum (SST) µg/L

About this test

Non-collagenous bone matrix protein synthesised by osteoblasts. Marker of bone formation; rises with increased osteoblast activity.

Reference Ranges

Sex Age Range Notes
Female 18–50 yrs 11 – 43 Premenopausal
Female ≥ 50 yrs 15 – 46 Postmenopausal
Male ≥ 18 yrs 14 – 46 Adult male

Clinical Interpretation

Low / Decreased
Reduced bone turnover — glucocorticoid therapy, hypothyroidism, multiple myeloma.
High / Increased
Elevated bone turnover — Paget's disease, primary hyperparathyroidism, osteomalacia.
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.