The Body Part Thymus 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 07YM
Transplantation of Thymus, Zooplastic, Open Approach
Transplantation of Thymus, Allogeneic, Open Approach
Transplantation of Thymus, Syngeneic, Open Approach