The Body System Gastrointestinal 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 4A1B
Monitoring of Gastrointestinal Secretion, Endo
Monitoring of Gastrointestinal Pressure, Endo
Monitoring of Gastrointestinal Secretion, Via Opening
Monitoring of Gastrointestinal Motility, Endo
Monitoring of Gastrointestinal Motility, Via Opening
Monitoring of GI Vasc Perfus using ICG dye, Extern Approach
Monitoring of Gastrointestinal Pressure, Via Opening