# Radiographic Imaging, X-ray and Plain X-ray

## Modeling new content requests

Requests for new imaging-related content must clearly specify an imaging action; for example, computed tomography, plain X-ray, fluoroscopy, etc.

*Radiographic imaging* is a broad term that encompasses several types of imaging studies that use ionizing radiation for visualization of internal parts of the body using X-ray techniques (for example, computed tomography) and is therefore a grouping concept. New content requests using the phrase *Radiographic imaging of* and/or submissions requesting a Method (attribute) of 278110001 |Radiographic imaging - action (qualifier value)| are not acceptable for the international edition of SNOMED CT.

## Approved naming pattern

FSN: Plain X-ray of (procedure)\
PT: Plain X-ray of

The X is capitalized, and the description case sensitivity is *Only initial character case insensitive*.

The following are acceptable synonyms:

* Plain film of X
* Plain radiography of X

{% hint style="success" %}
These synonyms are only added on request or have been retained as active synonyms where they are already published. They are not routinely included as synonyms for the international edition.
{% endhint %}

## Unacceptable descriptions

The terms *radiologic* and *radiologic guidance* are not permitted for any new descriptions, neither FSN nor synonyms. Neither are the following patterns permitted for any new descriptions:

* Radiography of X
  * For example,
    * Radiography of hand (procedure)
* X-ray of X
  * For example,
    * X-ray of both feet (procedure)
* Diagnostic radiography
  * For example,
    * Diagnostic radiography for foreign body detection and localization (procedure)

363680008 | Radiographic imaging procedure (procedure)| is at the top-level of the hierarchy of imaging procedures utilizing ionizing radiation for X-ray techniques. This concept has been retained along with a small number of high usage subtypes that are modeled with method 278110001 |Radiographic imaging - action (qualifier value)|.

## Dual energy X-ray absorptiometry

FSN: Dual energy X-ray absorptiometry of X (procedure)

PT: Dual energy X-ray absorptiometry of X

SYN: DXA of X

SYN: DEXA of X

* For example,
  * 428313006 | Dual energy X-ray absorptiometry of mandible (procedure)|
    * FSN: Dual energy X-ray absorptiometry of mandible (procedure)
    * PT: Dual energy X-ray absorptiometry of mandible
    * SYN: DXA of mandible
    * SYN: DEXA of mandible

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