Ravi Shankar Ravi Shankar Asked 8 months ago

What level of calcium in blood indicates cancer?

My father recently had a routine blood test and his calcium levels were a bit off. We're concerned. What level of calcium in blood can indicate cancer?

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7 answers

Gaurav Singh Gaurav Singh Joined Jun 2026 4 months ago
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While maintaining good bone health through exercise and diet is important, very high blood calcium levels (hypercalcemia), often above 10.5 mg/dL, can be a red flag for various conditions, including some cancers. But it's usually a symptom that leads to further diagnosis, not a diagnosis itself. Definitely consult a specialist if your levels are consistently high.

Meenakshi Devi Meenakshi Devi Joined Jul 2026 4 months ago

Higher than normal calcium levels, called hypercalcemia, can sometimes be linked to cancer, but it's not a direct indicator. Usually, if your serum calcium is consistently above 10.5 mg/dL, doctors will investigate further. Getting multiple tests might add up, so discuss thoroughly with your doctor about necessary investigations, don't just do every test suggested randomly.

Prakash Reddy Prakash Reddy Joined Jan 2026 8 months ago

Honestly, at this point, my blood calcium is probably too low from all the coffee and stress! But seriously, if your calcium is really high, like above 10.5 mg/dL, it's definitely something a doctor needs to check. It's not a direct 'cancer' sign, but it means something is off. Don't lose sleep over it, just get it checked!

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Consult a radiation oncologist

Kavita Sharma Kavita Sharma Joined Jan 2026 8 months ago

Hypercalcemia, meaning high blood calcium, is a condition where serum calcium levels exceed 10.5 mg/dL. While it can sometimes be a complication of certain advanced cancers (paraneoplastic syndrome), it's not a diagnostic marker for cancer directly. Many other conditions like hyperparathyroidism can also cause it. Therefore, a doctor's comprehensive evaluation is essential.

Alia Khan Alia Khan Joined Apr 2026 7 months ago

High calcium (hypercalcemia) can be a sign, but needs more tests. Consult your doctor.

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Shweta Pathak Shweta Pathak Joined Jan 2026 8 months ago

High calcium in blood (hypercalcemia), typically above 10.5 mg/dL, warrants investigation. It's often a symptom of an underlying condition, including certain cancers, but also non-cancerous issues. Don't self-diagnose; get a prompt doctor's appointment for a definitive diagnosis and treatment plan.

Amit Gupta Amit Gupta Joined May 2026 5 months ago

Haan, if your blood calcium is very high, like consistently above 10.5 mg/dL, it's called hypercalcemia. It can be a red flag for many things, sometimes even cancer, na. But it's not like seeing that number directly means cancer. Doctor ko dikhana padega for proper diagnosis, don't worry too much.

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