Table 4.

Complications from arthrocentesis

Complication	Incidence [25]	Cost for treatment
Re-operation (any reason) (including infection)	0.01% (1 out of 10,000)	− CPT 29871 (surgical, for infection, lavage and drainage); $521.91
		− APC 0041(knee arthroscopy/drainage); $2,111.62