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PSA (Prostate-Specific Antigen) Total Test

DNA Labs India | ISO 9001:2015 Certified

PSA (Prostate-Specific Antigen) Total Test

Short Name: PTH Intact

PSA (Prostate-Specific Antigen) Total Test test available at DNA Labs India for ₹1,872. Uses CLIA on Serum samples. Results in Reports are available daily after testing.. Free home collection in 300+ cities across India.

Endocrinology🏠 Home Collection

✍️ Written By

🩺 Medically Reviewed By

Dr Pasupathy Arumugam

Dr Pasupathy Arumugam

Consultant Pathologist · Reg: 21521

Last reviewed: September 7, 2026

Overview

The purpose of the PTH Intact test is to assess parathyroid gland function and aid in the diagnosis and differential diagnosis of hypercalcemia and hypocalcemia. It helps identify primary, secondary, and tertiary hyperparathyroidism, hypoparathyroidism, and renal osteodystrophy. It also helps monitor treatment efficacy in patients with mineral bone disorders.

Test Code
3578
Price
₹1,872
Sample Type
Serum
Result Time
Reports are available daily after testing.
Fasting Required
Yes
Method
CLIA
Step 1

Sample Collection

Fasting sample to be given between 8-10 am.

Method: Blood draw

Step 2

Laboratory Analysis

A blood sample will be drawn from a vein in your arm. Apply pressure to the site after collection.

Step 3

Report Delivery

You may resume normal activities after the test.

Timeline: Reports are available daily after testing.

Patient Instructions

1
Before the Test:Fasting sample to be given between 8-10 am. Do not eat or drink anything except water prior to the test.
2
During the Test:A blood sample will be collected from a vein. The procedure takes only a few minutes.
3
After the Test:You can resume normal eating and activities immediately after the test.

About This Test

Who Should Get This Test

The purpose of the PTH Intact test is to assess parathyroid gland function and aid in the diagnosis and differential diagnosis of hypercalcemia and hypocalcemia. It helps identify primary, secondary, and tertiary hyperparathyroidism, hypoparathyroidism, and renal osteodystrophy. It also helps monitor treatment efficacy in patients with mineral bone disorders.

How to Prepare

  • Allow blood to clot for 30 minutes
  • Separate serum and freeze within 30 minutes
  • Ship frozen. Do NOT thaw.

Doctor's Notes

Reviewed by — MBBS, MD (Pathology) · Reg. No. 21521

"The PTH level must always be interpreted alongside serum calcium, phosphate, and vitamin D levels for accurate diagnosis."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeSerum
Sample Volume3 mL (1.5 mL min.)
ContainerSerum Separator Tube (SST)
Collection MethodBlood draw

Sample Stability

Room Temperature: Not acceptable
Refrigerator: Not acceptable
Frozen: 4 weeks
Sample Rejection Criteria:
  • Hemolysed samples
  • Samples not separated and frozen within 30 minutes
  • Thawed samples

Understanding Your Results

The PTH level is interpreted in relation to serum calcium levels:
High PTH + High Calcium: May indicate primary hyperparathyroidism
High PTH + Low or Normal Calcium: May indicate secondary hyperparathyroidism
Low PTH + Low Calcium: May indicate hypoparathyroidism
Low PTH + High Calcium: May indicate non-parathyroid hypercalcemia
High PTH + High Calcium + Chronic Kidney Disease: Suggestive of tertiary hyperparathyroidism
⚠️ When to Consult a Doctor:

If you experience symptoms such as unexplained fatigue, bone pain, kidney stones, muscle cramps, tingling, or seizures, consult an endocrinologist. Also, if you have chronic kidney disease, osteoporosis, or abnormal calcium levels, a PTH test may be advised.

Limitations

  • ⚠PTH is unstable in whole blood and must be processed promptly
  • ⚠Results must be interpreted with serum calcium and vitamin D levels
  • ⚠May not distinguish between subtypes of hyperparathyroidism without additional testing

Risks & Considerations

  • ●Minimal risk of bleeding
  • ●Bruising at the puncture site
  • ●Infection (rare)

Interfering Factors

  • ●Hemolysed samples
  • ●Non-fasting sample
  • ●Sample not frozen within 30 minutes of collection
  • ●Diurnal variation (PTH levels fluctuate during the day)

Compare With Similar Tests

TestPSA (Prostate-Specific Antigen) Total Test
ComparisonPSA (Prostate-Specific Antigen) Total Test

Frequently Asked Questions

What is the PTH Intact test?
The PTH Intact test is a blood test that measures the level of intact parathyroid hormone (PTH) to assess parathyroid gland function and calcium metabolism.
Why is the PTH Intact test done?
It is done to diagnose and monitor conditions like hyperparathyroidism, hypoparathyroidism, and calcium metabolism disorders, and to evaluate the cause of abnormal calcium levels.
Do I need to fast for the PTH Intact test?
Yes, a fasting sample is required. The sample should be collected between 8-10 am after an overnight fast.
What is the normal range for PTH?
The typical reference range for intact PTH is 15-65 pg/mL, but it may vary slightly between laboratories.
What does high PTH indicate?
High PTH levels may indicate primary, secondary, or tertiary hyperparathyroidism. It needs to be interpreted with serum calcium and vitamin D levels.
What does low PTH indicate?
Low PTH levels may indicate hypoparathyroidism or hypercalcemia caused by non-parathyroid factors.
How is the test performed?
A blood sample is drawn from a vein in your arm. The serum is separated and frozen within 30 minutes and sent to the laboratory for CLIA analysis.
What is the cost of the PTH Intact test at DNA Labs India?
The cost is Rs 1872, which includes free home sample collection for online bookings.
How long will it take to get the results?
Reports are generally available on the same day or within 24 hours, depending on the lab workload.
Is home sample collection available for this test?
Yes, DNA Labs India offers free home sample collection for online bookings across major cities in India.
What is the sample type required?
The test requires 3 mL (1.5 mL min.) of serum from a Serum Separator Tube (SST).
Can I take the test if I am on calcium supplements?
You should inform your doctor about any supplements you are taking, as they may affect test results. Your doctor will advise whether to pause them before the test.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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