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🦴 Calcium-Phosphate Product

Calculate the calcium-phosphate product, relevant to vascular calcification risk.

Calcium-Phosphate Product

Calcium (mg/dL)
Phosphate (mg/dL)

When to use

CKD-mineral bone disorder assessment.

How it works

Ca × PO₄ product (mg/dL units). > 55 mg²/dL² is associated with calcification risk.

Key points

  • Mainly used in CKD-MBD.
  • KDIGO now emphasises individual Ca and PO₄ trends.
  • High product warrants review of phosphate control.

References

Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.

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