Clear Up Confusion Around Midline IV Catheters

March 2026

Hospital staff continue to question whether to treat midline IV catheters as peripheral or central lines...or somewhere in between.

Explain that midlines are still considered peripheral IV (PIV) lines...they don’t reach the central vasculature (vena cava, etc).

But highlight that they’re longer than typical PIVs (8 to 25 cm versus 2 to 6 cm)...and shorter than PICC lines (38 to 52 cm, etc).

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