# Imaging Guided Procedure Naming

<mark style="color:$danger;">**This Editorial Guide is used for Education Purposes Only. It is used in the Authoring Courses and Certifications. It is based on the January 2026 Editorial Guide.**</mark>

There are numerous procedures where the imaging component is considered a supplemental or secondary technique to help accomplish the primary goal. The pattern is:

## Procedure using guidance

* FSN: Y using guidance (procedure)
* PT: guided Y
* SYN: Y using guidance

## Computed tomography guided procedure

* FSN: Y using computed tomography guidance (procedure)
* PT: CT guided Y
* SYN: Y using computed tomography guidance
  * For example,
    * 431864000 | Injection using computed tomography guidance (procedure)|
      * FSN: Injection using computed tomography guidance (procedure)
      * PT: CT guided injection
      * SYN: Injection using computed tomography guidance

## Fluoroscopy guided procedure

* FSN: Y using fluoroscopic guidance (procedure)
* PT: Fluoroscopy guided Y
* SYN: Y using fluoroscopic guidance
  * For example,
    * 773291002 | Biopsy of abdomen using fluoroscopic guidance (procedure)|
      * FSN: Biopsy of abdomen using fluoroscopic guidance (procedure)
      * PT: Fluoroscopy guided biopsy of abdomen
      * SYN: Biopsy of abdomen using fluoroscopic guidance

{% hint style="info" %}
**Fluoroscopic guidance**

The term *fluoroscopic Y* is interpreted as *Y using fluoroscopic guidance (procedure)*. Procedures such as 432540009 | Biopsy of wrist using fluoroscopic guidance (procedure)| are subtypes of Fluoroscopy (procedure).
{% endhint %}

(See also [Fluoroscopy and Fluoroscopic Imaging](https://docs.snomed.org/education/snomed-ct-education-editorial-guide/readme/authoring/domain-specific-modeling/procedure/index-1/index/fluoroscopy-and-fluoroscopic-imaging))

## Magnetic resonance imaging guided procedure

* FSN: Y using magnetic resonance imaging guidance (procedure)
* PT: MRI guided Y
* SYN: Y using magnetic resonance imaging guidance
  * For example,
    * 433008009 | Core needle biopsy of breast using magnetic resonance imaging guidance (procedure)|
      * FSN: Core needle biopsy of breast using magnetic resonance imaging guidance (procedure)
      * PT: MRI guided core needle biopsy of breast
      * SYN: Core needle biopsy of breast using magnetic resonance imaging guidance

## Ultrasonography guided procedure

* FSN: Y using ultrasonographic guidance (procedure)
* PT: Ultrasonography guided Y
* SYN: Y using ultrasonographic guidance
* SYN: Y using ultrasound guidance
  * For example,
    * 431811004 | Biopsy of wrist using ultrasonographic guidance (procedure)|
      * FSN: Biopsy of wrist using ultrasonographic guidance (procedure)
      * PT: Ultrasonography guided biopsy of wrist
      * SYN: Biopsy of wrist using ultrasonographic guidance
      * SYN: Biopsy of wrist using ultrasound guidance

## Plain X-ray guided procedure

* FSN: Y using plain X-ray guidance (procedure)
* PT: Plain X-ray guided Y
* SYN: Y using plain X-ray guidance
  * For example,
    * 718674009 | Injection of steroid using X-ray guidance (procedure)|
      * FSN: Injection of steroid using plain X-ray guidance (procedure)
      * PT: Plain X-ray guided steroid injection
      * SYN: Injection of steroid using plain X-ray guidance

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