What Does Low Calcium Mean?

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Alternative Names

Urinary Ca+2

Normal Values

If you are eating a normal diet, the expected amount of calcium in the urine is 100 to 300 mg/day. If you are eating a diet low in calcium, the amount of calcium in the urine will be 50 to 150 mg/day.

Note: mg/day = milligrams per day

What abnormal results mean

High levels of urine calcium (above 300 mg/day) may be due to:

  • Chronic kidney disease
  • Leaking of urine from the kidneys, which causes calcium kidney stones
  • Sarcoidosis
  • Takiong too much calcium
  • Too much...
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