angio-

Combining Form: angi- / angio-

Short Definition

Relating to a vessel, usually a blood vessel.

Long Definition

The combining form angi-/angio- refers to vessels, typically blood or lymphatic vessels. It is widely used in cardiovascular, vascular surgery, and interventional radiology terminology.

Etymology

• Greek angeion → “vessel”

Related Terms

Term	Meaning
vas-	vessel
phleb-	vein
arter-	artery

Common Medical Terms

• Angioplasty - vessel repair
• Angiogram - imaging of vessels
• Angiogenesis - formation of new vessels

Documentation Clues

• “stenosis”
• “occlusion”
• “Contrast injected into vessel”

Coder’s Notes

Critical in CPT coding for vascular interventions (e.g., angioplasty, stenting).

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Med terms dictionary Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms