The Body Part Lower Leg, Left is identified by letter "J" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0Y6J
Detachment at Left Lower Leg, High, Open Approach
Detachment at Left Lower Leg, Low, Open Approach
Detachment at Left Lower Leg, Mid, Open Approach