The Body Part Pharynx is identified by letter "M" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0C7M
Dilation of Pharynx, Via Natural or Artificial Opening
Dilation of Pharynx, Endo
Dilation of Pharynx with Intraluminal Device, Endo
Dilation of Pharynx with Intraluminal Device, Via Opening