SNOMED CT Editorial Guide

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Simple fluoroscopy

Simple fluoroscopy is real time imaging (usually on TV monitors/image intensifiers) of a body part or system. Only rarely is it an imaging process alone (without some interventional procedure). Fluoroscopy is most often used to guide or direct a primary procedure/purpose.  The usual convention in clinical practice is to ignore the fluoroscopic element and refer to a procedure entirely by the primary component, e.g. angiography. However, this is unacceptable in SNOMED CT, where the imaging component must be explicitly described. 

  • FSN: Fluoroscopy of X (procedure)
  • PT: Fluoroscopy of X
  • SYN: Fluoroscopy - X

For example, 

Fluoroscopic guidance

Fluoroscopic X is not necessarily interpreted as X using fluoroscopic guidance (procedure).  When modeling a procedure using fluoroscopic guidance, the use of fluoroscopic x in the FSN is not sufficient; the FSN must explicitly state using fluoroscopic guidance if that is the intent.

The following naming pattern can be used for direct observation:

  • FSN: X using fluoroscopic guidance (procedure) 
  • PT: Fluoroscopy guided X 
  • SYN: X using fluoroscopic guidance

For example, 

For example,

    • Angioplasty using fluoroscopic guidance with contrast (procedure)
      • FSN: Angioplasty using fluoroscopic guidance with contrast (procedure) 
      • PT: Fluoroscopy guided angioplasty with contrast
      • SYN: Angioplasty using fluoroscopic guidance with contrast
      • SYN: Fluoroscopic angioplasty with contrast

 Such procedures are subtypes of Fluoroscopy (procedure).  See also Imaging-guided procedure modeling guidance.  

Fluoroscopic angiography with contrast

Angiography and angiogram, as terms on their own, refer to visualization of a blood vessel or vascular structure not specified as an artery or a vein and could refer to either or both. So for clarity, a blood vessel site (X) and the phrase with contrast must be included in the concept description.

With contrast

Fluoroscopic angiography always uses contrast.  With contrast must be explicitly stated in all descriptions.

Fluoroscopic angiography when vessel is not stated

  • FSN: Fluoroscopic angiography of X with contrast (procedure)
  • PT:    Fluoroscopic angiography of X with contrast
  • SYN: Fluoroscopic angiogram of X with contrast

Fluoroscopic angiography of artery

  • FSN: Fluoroscopic angiography of X artery with contrast (procedure)
  • PT:    Fluoroscopic angiography of X artery with contrast 
  • SYN: Fluoroscopic arteriography of X with contrast 
  • SYN: Fluoroscopic arteriogram of X with contrast 

For example, 

    • FSN: Fluoroscopic angiography of right cervical vertebral artery with contrast (procedure)
    • PT:    Fluoroscopic angiography of right cervical vertebral artery with contrast 
    • SYN: Fluoroscopic arteriography of right cervical vertebral artery with contrast 
    • SYN: Fluoroscopic arteriogram of right cervical vertebral artery with contrast 

Fluoroscopic venography 

  • FSN: Fluoroscopic venography of X with contrast (procedure)
  • PT: Fluoroscopic venography of X with contrast 
  • SYN: Fluoroscopic venogram of X with contrast 

For example, 

    • FSN: Fluoroscopic venography of right extremity with contrast (procedure)
    • PT: Fluoroscopic venography of right extremity with contrast 
    • SYN: Fluoroscopic venogram of right extremity with contrast 

Fluoroscopic arthrography

  • FSN: Fluoroscopic arthrography of X (procedure)
  • PT: Fluoroscopic arthrography of X
  • SYN: Fluoroscopic arthrogram of X

For example, 

Dual energy X-ray photon absorptiometry 

  • FSN: Dual energy X-ray photon absorptiometry of X (procedure) 
  • PT: Dual energy X-ray photon absorptiometry of X
  • SYN: DXA of X
  • SYN: DEXA of X

For example,

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