The Body System or Region Ear is identified by letter "B" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 3E1B
Irrigation of Ear using Irrigating Substance, Via Opening
Irrigation of Ear using Irrigat, Via Opening, Diagn
Irrigation of Ear using Irrigating Substance, Perc Approach
Irrigation of Ear using Irrigating Substance, Endo
Irrigation of Ear using Irrigating Substance, Endo, Diagn
Irrigation of Ear using Irrigat, Perc Approach, Diagn