The Body System or Region Upper GI is identified by letter "G" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 3E1G
Irrigation of Upper GI using Irrigat, Via Opening, Diagn
Irrigation of Upper GI using Irrigat, Endo, Diagn
Irrigation of Upper GI using Irrigating Substance, Endo
Irrigation of Upper GI using Irrigat, Perc Approach, Diagn
Irrigation of Upper GI using Irrigat, Perc Approach
Irrigation of Upper GI using Irrigat, Via Opening