Pgpgskullxr
A skull X-ray measurement that assesses chin thickness, often used in evaluating certain genetic syndromes and congenital conditions.
{"Measures chin bone development from skull X-ray images","Helps identify certain genetic syndromes and facial abnormalities","Used alongside other tests for comprehensive diagnosis","Involves standard X-ray imaging procedure","Results aid healthcare providers in assessing developmental conditions"}
Key facts at a glance
- LOINC
- 60621-0
- Short code
- CHINTH
- Synonyms
- Pg-Pg' Skull XR
- Category
- cardiac
- Sample
- serum
- Container
- N/A - radiographic examination
- Units
- N/A
- Ref low
- 15
- Ref high
- 25
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 0–120 years
- Method
- xr-measured
- CPT
- 70250
- SNOMED
- 36318007
- Specimen volume
- N/A - imaging study
- Stability
- N/A - images stored in PACS system
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 2–24 hours
- Order
- routine
What is this test?
The Chin Thickness Skull X-ray measurement is a radiographic assessment that measures the thickness and development of the chin (mandible) bone from a skull X-ray image. This measurement is part of evaluating facial bone structure and can help identify certain developmental patterns or abnormalities.
How is the test performed?
During the test, you will be positioned by a radiology technician for a skull X-ray. The X-ray machine will capture images of your head from specific angles. The captured images are then analyzed by measuring the chin thickness using specialized radiographic techniques. The procedure is quick, painless, and involves minimal radiation exposure.
Why might I need this test?
This test is typically ordered as part of a comprehensive evaluation when healthcare providers suspect certain genetic syndromes or developmental conditions. It may be used when evaluating patients with congenital heart disease or other conditions that may be associated with specific facial bone characteristics. The measurement provides additional information about bone development that can support diagnosis.
Reference range
Reference range varies by age and clinical indication. Chin thickness measured on lateral skull radiograph. Normal adult chin thickness typically ranges from 15-25 mm, but interpretation depends on clinical context and comparison with normative data for age and sex.N/A
Patient should remove any dental appliances, earrings, or facial jewelry before the X-ray. Inform technician if patient is pregnant. No special preparation required.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Frequently asked questions
Is the X-ray safe?
How long does the test take?
Will I feel any pain during the test?
When will I get my results?
Sources
- 1
- 2RadiologyInfo - X-raySource
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.
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