ICD-10-CM 2027
ICD-10 code for lower leg ganglion)
From the official ICD-10-CM alphabetic index entry “Ganglion (compound) (diffuse) (joint) (tendon (sheath)) › lower leg”. Page updated September 29, 2026.
About coding lower leg ganglion)
The ICD-10-CM code for lower leg ganglion) is M67.46 (Ganglion, knee).
Within M67.4 (ganglion), M67.46 is specifically for ganglion, knee. Related codes cover unspecified site (M67.40), shoulder (M67.41), elbow (M67.42), wrist (M67.43), hand (M67.44), hip (M67.45), ankle and foot (M67.47), other site (M67.48) and 1 more.
To report this condition, pick the subcode that matches the documentation: M67.461 (knee), M67.462 (knee) and M67.469 (knee).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.