Upper arm bone (humerus) X-ray
Quick answer: A humerus X-ray shows the upper arm bone between the shoulder and elbow, from the front and side. Doctors usually order it after a fall or injury to the upper arm, or for pain or swelling there.
- SampleImaging (no sample)
- TakesAbout 10 minutes
- Before the testNo special preparation is usually needed, but remove metal items from the area and tell staff if you might be pregnant.
How the test is done
- 1You remove clothing and jewellery from the arm and shoulder and wear a gown
- 2You stand or sit with your back against the upright plate
- 3Your arm hangs by your side, turned outward for one view and inward for another
- 4If moving the arm hurts, the machine is angled instead of turning you
What your results can mean
Reading your report
A radiologist reports on the images, and your doctor will explain what the findings mean for you.
If the result is outside the usual range
A humerus X-ray can show a fracture of the shaft or near the shoulder, the position of a healing fracture, or areas of bone that look unusual and need further tests.
Who usually has this test
People who have fallen onto the shoulder or arm, older adults with a fall, and those with a known upper arm fracture being followed up.
Risks and aftercare
Holding a broken arm in position can hurt for a short time; the radiation is low, and tell staff if you might be pregnant.
Names and options
Also called: humerus X-ray, upper arm X-ray
Listed by the hospital as
- HUMERUS AP, LAT DIGITAL X-RAY
Questions about this test
Can I keep my sling on for a humerus X-ray?
Often yes. Staff may take the pictures with the sling on or angle the machine so you do not have to move the arm much.
Why does a humerus X-ray include the shoulder and elbow?
A break in the upper arm bone can affect the joint at either end. Including both joints helps your doctor plan treatment.
Can an upper arm X-ray show nerve damage?
No, nerves do not show on X-ray. If your hand or wrist feels weak or numb after an arm fracture, your doctor will check the nerves by examination.
Related tests
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This page explains each test in general terms so you know what to expect. It is not medical advice: your doctor decides which tests you need and what your results mean. Reference ranges differ between laboratories. Updated 4 November 2026.