DEXA scan
Bone density test for osteoporosis

A DEXA (dual-energy X-ray absorptiometry) scan measures how dense and strong your bones are. It is the standard test for diagnosing osteoporosis and estimating fracture risk. The scan is quick, does not hurt and uses a very small dose of X-rays. DEXA scanning is available at Charak Hospital, Hardoi Road, Lucknow.

Book a DEXA scan Call 0522-666-4444
DEXA on site Takes about 10–20 minutes Very low radiation dose Orthopaedics and gynaecology follow-up

Ask about a DEXA scan

Share your details — our coordinator will call you back to schedule a visit.

Your details are used only to contact you about your appointment.

24×7 hospital & emergency0522-666-4444
About the scan

What is a DEXA scan?

A DEXA machine passes two low-dose X-ray beams through the bones, usually of the lower spine and hip. The amount absorbed shows the bone mineral density (BMD). The result is compared with healthy young adults (T-score) and with people of your age (Z-score).

  • You lie on your back on a padded table
  • The scanner arm passes slowly over you
  • No injection and no closed tunnel
  • The radiation dose is very small
  • Results help decide treatment and track progress

Finds silent bone loss

Before a fracture happens.

Tracks treatment

Repeat scans show change over time.

Quick

In and out in under half an hour.

Safe

Much less radiation than a chest X-ray.

0Bed multispeciality hospital
NABHAccredited for quality and patient safety
24×7Emergency & critical care
0+Specialities under one roof
Who needs it

Who should have a DEXA scan?

Your doctor may advise a DEXA scan if you are:

A woman over 65

Or younger after menopause with risk factors.

A man over 70

Or younger with risk factors.

After a low-impact fracture

A break from a minor fall.

On long-term steroids

Or other medicines that affect bone.

With certain conditions

Thyroid or parathyroid problems, rheumatoid arthritis, early menopause.

On osteoporosis treatment

To monitor progress.

Pregnant or might be? Tell the staff before the scan. DEXA is usually postponed during pregnancy. Call 0522-666-4444.

Preparation

How to prepare

Preparation is simple.

Calcium tablets

Stop calcium supplements for 24 hours before the scan, unless told otherwise.

Recent barium or contrast tests

Tell staff if you had a barium study, CT contrast or nuclear scan in the past one to two weeks.

Clothing

Wear loose clothes without metal zips, buttons or belts.

Eat normally

No fasting is needed.

Bring reports

Any previous DEXA reports, ideally from the same type of machine.

On the day

What happens during the scan

Here is what to expect.

During the scan

You lie on your back with your legs supported. The scanner arm moves slowly over your spine and then your hip. You need to keep still and breathe normally.

Takes about 10 to 20 minutesThe technician stays nearbyYou can talk if you need help

Comfort

  • The table is padded
  • Tell staff if lying flat is difficult
  • No enclosed tunnel

Afterwards

  • Go home straight away
  • Resume your normal routine
  • Restart calcium tablets
Your result

Understanding your result

General guidance — always follow the advice your own doctor gives you.

T-score −1.0 or higher

Normal bone density.

T-score between −1.0 and −2.5

Low bone mass (osteopenia). Lifestyle advice and sometimes treatment are recommended.

T-score −2.5 or lower

Osteoporosis. Your doctor will discuss treatment to reduce fracture risk.

Z-score

Used for children, young adults and premenopausal women; a low Z-score may prompt tests for other causes.

Contact us urgently if

  • A fall with severe hip or back pain
  • Inability to bear weight after a fall
0522-666-4444
Your care team

Radiology, orthopaedics and gynaecology

Radiology Osteoporosis Orthopaedics
Practical help

What to bring, costs & insurance

A little preparation helps us help you faster.

What to bring to your visit

Tick off as you pack:

  • Doctor’s prescription
  • Previous DEXA reports
  • List of medicines, especially steroids
  • Loose clothing without metal

Costs & insurance

Ask our team for the current DEXA scan charges. Outpatient tests may or may not be covered by your insurance policy.

  • ✓Written estimate— ask for one before planned procedures or admission.
  • ✓Health insurance & TPA— cashless treatment for admissions under tie-up insurers; outpatient visits depend on your policy.
  • ✓Ayushman Bharat (PM-JAY) accepted for eligible admissions.
  • ✓Corporate & PSU panels— ask whether your employer has a tie-up with Charak Hospital.

*Coverage depends on your policy and the treatment. Our insurance desk can check this for you.

Call 0522-666-4444
FAQs

Frequently asked questions

Does a DEXA scan hurt?

No. You simply lie still while the scanner passes over you.

How much radiation is involved?

Very little — much less than a standard chest X-ray.

How often should I repeat it?

Usually every one to two years, as advised by your doctor.

Do I need to fast?

No. Eat normally, but stop calcium tablets for 24 hours unless told otherwise.

Can I get the report the same day?

Ask at the radiology desk; reports are usually available quickly.

Glossary

Words you may hear

BMDBone mineral density.
T-scoreYour bone density compared with a healthy young adult.
Z-scoreYour bone density compared with people of your age and sex.
OsteopeniaLower than normal bone density, not yet osteoporosis.

No matching term. Please ask your doctor at your next visit.

Related pages

Related departments and guides

Osteoporosis Radiology Orthopaedics All tests and scans

Book a DEXA scan

Bring your doctor’s prescription. Call 0522-666-4444.

0522-666-4444 Request a call back

Your details are used only to contact you about your appointment.

Medical information disclaimer: This page provides general health information for patients and families. It is not a substitute for a consultation, diagnosis or treatment by a qualified doctor. Treatment decisions depend on each patient's individual condition. In an emergency, call 0522-666-4444 or go to the nearest emergency department.

About this page: Prepared by the Charak Hospital web team with the help of AI writing tools, using information from the Department of Radiology, Charak Hospital & Research Centre ·  Last updated: October 2026

Explore other clinical departments
Call hospital Book visit