Icd 10 code for perirectal abscess drainage July 8, 2019 16 32 64 128 Icd 10 code perianal abscess incision and drainage Icd 10 pcs code for drainage of perirectal abscess Icd 10 code for incision and drainage of perirectal abscess Icd 10 pcs code for incision and drainage of perirectal abscess Icd 10 perirectal abscess