Is Serum Calcium 2.4 normal, high or low? What does Serum Calcium level 2.4 mean?

📅 Medical Review Date: February 9, 2026

Your Serum Calcium level of 2.4 is a Normal Serum Calcium level.

Normal Serum Calcium levels may indicate underlying health problems. The normal range is typically between 2.12 mmol/L and 2.62 mmol/L. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal Serum Calcium range for men is :2.12 - 2.62 mmol/L

Ideal values of Serum Calcium depending on age (male) :

Age	Ideal Serum Calcium value
<5 years	2.171
5-10 years	2.223
10-15 years	2.276
15-20 years	2.331
20-25 years	2.387
25-30 years	2.444
30-35 years	2.503
35-40 years	2.563
40-45 years	2.562
45-50 years	2.56
50-55 years	2.558
55-60 years	2.619
60-70 years	2.618
70-80 years	2.617
80-90 years	2.616
90-100 years	2.615
>100 years	2.614

*Ideal values are calculated based on our database of patient records

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Normal range of Serum Calcium found among women :2.12-2.62 mmol/L

Ideal values of Serum Calcium depending on age (female) :

Age	Ideal Serum Calcium value
<5 years	2.172
5-10 years	2.226
10-15 years	2.281
15-20 years	2.337
20-25 years	2.395
25-30 years	2.454
30-35 years	2.515
35-40 years	2.577
40-45 years	2.576
45-50 years	2.575
50-55 years	2.574
55-60 years	2.573
60-70 years	2.572
70-80 years	2.571
80-90 years	2.57
90-100 years	2.569
>100 years	2.568

If you take a Serum Calcium blood test and the results are not in the normal range (2.12-2.62 mmol/L), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Serum Calcium Test Is Done :

When your doctor orders a Serum Calcium test, it involves a straightforward blood draw to measure your Serum Calcium levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Serum Calcium test results are usually available within a few hours.

Medical References

• Cleveland Clinic – Calcium Blood Test: What It Is & Results
• MedlinePlus – Calcium Blood Test
• WebMD – Calcium Blood Test: What It Is, Why It is Done, Results
• Mayo Clinic – Coronary calcium scan