Icd 10 pcs incision and drainage perirectal abscess July 8, 2019 16 32 64 128 Icd 10 pcs code for incision and drainage of perirectal abscess In icd 10 pcs incision and drainage external perianal abscess Icd 10 pcs code for incision and drainage of external perianal abscess Icd 9 perianal abscess Icd 10 incision and drainage of abscess Incision and drainage of abscess icd 9