Test Detail
Understanding the Test
Interpreting Results
Other Tests
Content created by
Written by
Dr. Shreya Gupta
BDS, MDS - Oral and Maxillofacial Pathology
Reviewed by
Dr. Ashish Ranjan
MBBS, MD (Pharmacology)
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Calcium Urine

You need to provide
This test is for
Male, Female
Test Preparation
  1. Urine sample must preferably be the midstream urine (part of urine that comes after first and before the last stream). Collect the urine sample in a sealed and sterile container provided by our sample collection professional. Make sure that the container doesn't come in contact with your skin. Women are advised not to give the sample during the menstrual period unless prescribed.

Understanding Calcium Urine

What is Calcium Urine?

You already know that your body requires calcium for the bones. The muscles, heart, and nerve need to function properly. Too little or too much calcium in the body may lead to severe health issues. The best way to check the level of calcium in your body is through urine. It helps your doctor understand the calcium level and is a painless process.

In case your doctor has recommended a urine test, it means that they are suspecting medical issues, such as parathyroid disease, kidney stone, kidney disease, or bone health issues. Checking for calcium might not be a part of the routine urine test. Your doctor is going to specifically recommend the test in case the calcium level appears to be low.

What is Calcium Urine used for?

The Urine Calcium Test is performed:

·         To evaluate the cause of stones in the kidneys or urinary tract

·         To determine the functioning of kidneys

·         To help diagnose parathyroid gland conditions

·         To evaluate bone disorders such as osteoporosis

Interpreting Calcium Urine results


Normal range (Approx.):

100 to 300 mg/day

50 to 150 mg/day for low calcium diet

Lower than the normal range of calcium levels in urine can indicate a shortage of calcium in the diet. It may indicate deficiency of vitamin D, abnormal levels of parathyroid hormone levels, and poor bone health.

Higher than the normal range of calcium levels in urine indicates an excess of calcium in the diet, and indicates the risk of formation of kidney stones.

Answers to Patient Concerns & Frequently Asked Questions (FAQs) about Calcium Urine

Frequently Asked Questions about Calcium Urine

Q. Is there any preparation required before the Urine Calcium Test?

You must collect the urine sample in the container provided by our sample collection partner or the diagnostic center at the time of sample collection. Inform the doctor about any medications you may be taking. No other preparations are required unless specified by your doctor.

Q. How is Urine Calcium test performed?

The test is performed on a urine sample collected over a 24-hour period of time. On the first day, urinate into the toilet after waking up, and for the rest of the day, urinate into the specialized container provided. On the next day, urinate into the container after you wake up. During the day, keep the container tightly closed and refrigerated when not in use.

Q. Is there any risk associated with the Urine Calcium Test?

There are no risks associated with the Urine Calcium Test.

Q. What other tests can be prescribed by your doctor in case the results of Urine Calcium Test is not normal?

Other tests that may be prescribed upon appearance of an abnormal test result of the Urine Calcium Test include: · Urinalysis · Kidney Function Tests · Electrolyte Panel Test · Parathyroid Hormone (PTH) Test · PTH Related Peptide Test (PTHrH) · Electrocardiography (ECG) · Magnesium Test

Q. What conditions can cause high levels of calcium in urine?

High levels of calcium in urine may be due to: · Hyperparathyroidism: Excess secretion of parathyroid hormones · Milk-alkali syndrome · Idiopathic hypercalciuria: Excess calcium in urine for unclear reasons · Sarcoidosis: Inflammatory condition of the lymph nodes, liver, eyes, lungs, skin, etc. · Renal tubular acidosis: Low pH of blood (acidic) · Vitamin D poisoning · Diuretic overuse · Kidney failure

Q. What conditions can cause low levels of calcium in urine?

Low levels of calcium in urine may be due to: · Malabsorption disorders due to improper digestion, like vomiting, diarrhea, etc. · Vitamin D deficiency · Hypoparathyroidism: Insufficient secretion of parathyroid hormones · Thiazide diuretic overuse

Q. What factors can affect calcium levels in urine?

Urine calcium levels depend on a number of factors, including: · Blood calcium levels · Dietary intake of calcium · Rate of absorption of calcium in the intestines · Vitamin D · Phosphate levels in blood · Certain hormones like parathyroid hormone, calcitonin, and estrogen · Certain medications like diuretics
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