Calcium

   

Calcium fulfills various functions like bone mineralization and transmission of nerve impulses. Decreased amounts occur e.g. in osteoporosis and kidney diseases; increased levels indicate hyperparathyroidism and malignant diseases.

Reference Ranges

Serum/Plasma
Adults8.6 – 10.3 mg/dL2.15 – 2.58 mmol/L
Newborns, 0-5 days7.9 – 10.7 mg/dL1.96 – 2.66 mmol/L
Children 1-3 years8.7 – 9.8 mg/dL2.17 – 2.44 mmol/L
Children 4-13 years8.8 – 10.6 mg/dL2.19 – 2.64 mmol/L
Children 14-19 years8.9 – 10.7 mg/dL2.22 – 2.66 mmol/L
Urine
Women< 250 mg/24h6.24 mmoL/24h
Men< 300 mg/24h7.49 mmoL/24h
Each laboratory should check if the reference ranges are transferable to its own patient population and determine own reference ranges if necessary. For diagnostic purposes, the results should always be assessed with the patient’s medical history, clinical examinations and other findings.

For information on clinical relevance, please refer to the package insert.

Conversion

Use our conversion tool to quickly convert between conventional units and SI units

mg/dL
mmol/L

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