The Body System or Region Eye is identified by letter "C" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 3E1C
Irrigation of Eye using Irrigating Substance, Perc Approach
Irrigation of Eye using Irrigating Substance, Diagnostic
Irrigation of Eye using Irrigat, Perc Approach, Diagn
Irrigation of Eye using Irrigating Substance