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Radiographic examination of long bones (X-ray)

Published: August 9, 2026Updated: August 16, 2026

Your doctor ordered an X-ray of your long bones to check for signs of congenital syphilis or other bone-related conditions. This test helps visualize bone structure and identify abnormalities.

Quick summary

X-rays can reveal bone changes that may indicate underlying health concerns.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
75194-1
Short code
LONGBONEXRAYSWEREPERFORMEDANDCONSISTENTWITHCONGENITALSYPHILIS
Synonyms
—
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
cdc-cs
CPT
86430
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why Was This Test Ordered?

Your healthcare provider may have ordered this X-ray to assess potential issues like abnormal bone growth, lesions, or other structural changes. Congenital syphilis can cause specific patterns of bone damage in children, and X-rays are a key tool for detecting these changes early.

What Does This Test Involve?

An X-ray uses low-dose radiation to create images of your bones. You’ll lie down on a special table, and a machine will take pictures of your long bones (like legs, arms, or other major bones). No preparation is needed, but you may need to remove jewelry or clothing covering the area.

What Are Common Findings?

X-rays of long bones in congenital syphilis may show signs like bone thinning, irregular bone growth, or areas of bone destruction. Other conditions, such as infections, metabolic disorders, or tumors, can also appear on X-rays.

What Does This Test Tell Us About My Health?

This test helps your doctor evaluate whether your bones have signs of congenital syphilis or other bone-related issues. It doesn’t measure specific blood or chemical levels but provides visual evidence of bone health and structure.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This X-ray is crucial for diagnosing congenital syphilis in children, as it can reveal characteristic bone changes early in the disease. It may also help rule out other conditions affecting bone development or integrity. Results are interpreted by a radiologist or healthcare provider familiar with bone imaging.

Short name

Long Bone X-ray

Frequently asked questions

Will I Need Any Preparation Before the Test?
No special preparation is required. However, if you’re pregnant, let your doctor know before the procedure to ensure safety for both you and your baby.
How Long Will It Take to Get Results?
Results from an X-ray are typically available within a few days to a week, depending on your healthcare provider’s workflow. Your doctor will discuss the findings with you during a follow-up visit.
Is This Test Painful or Discomforting?
No, X-rays are not painful. You may feel a slight pressure or sensation from lying still, but the procedure itself is quick and painless. If you’re anxious, let your doctor know—they may offer ways to help you relax.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy