Skip to content

Zygomatic arch measurement (4-view)

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

This test measures the structure of your zygomatic arch (cheekbone) using imaging to evaluate its shape and integrity. It may be part of a broader assessment for trauma, congenital conditions, or surgical planning.

Quick summary

["A visual and structural check of your cheekbone area, often linked to injury or developmental concerns."]

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

Key facts at a glance

LOINC
37934-7
Short code
XR Zygomatic arch 4V
Synonyms
XR Zygomatic arch 4V
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
xr
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

What Is This Test Used For?

Zygomatic arch measurements are typically performed when there is suspicion of facial trauma (e.g., from accidents, falls, or sports injuries), congenital abnormalities, or before certain surgical procedures. It helps healthcare providers assess bone alignment, detect fractures, or plan reconstructive surgery.

How Is This Test Performed?

You’ll lie down on an imaging table while X-ray or CT images are taken from multiple angles (usually 4 views) to capture detailed images of your zygomatic arch. No special preparation is needed, but you may be asked to hold still for a few minutes.

What Are Common Findings?

Findings may include normal bone structure, fractures, dislocations, or deformities. If abnormalities are detected, further evaluation (e.g., physical exam, additional imaging, or specialist referral) may be recommended.

What Should You Expect After the Test?

You can usually return to normal activities immediately after the test. If you had sedation or anesthesia, follow-up instructions from your provider will apply. Results are typically reviewed by a radiologist or specialist.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Zygomatic arch assessment

Frequently asked questions

Will I need to prepare for this test?
No special preparation is required. Wear comfortable clothing and remove any jewelry or metal objects that could interfere with imaging. If you’re pregnant or have metal implants, inform your provider beforehand.
How long will it take to get my results?
Results are typically reviewed by a radiologist within 1–3 business days. Your healthcare provider will discuss findings with you during a follow-up visit.
Can this test detect all types of facial injuries?
This test primarily assesses bone structure and integrity of the zygomatic arch. For soft tissue injuries or other facial concerns, additional imaging (e.g., MRI) or clinical evaluation may be needed.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

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