Code
Hierarchy
Inclusion Terms
K61.1
-
Perirectal abscess
Includes
-
abscess of anal and rectal regions
-
cellulitis of anal and rectal regions
Excludes 1
K61.1
-
ischiorectal abscess (K61.39)
- K61.39 Other ischiorectal abscess
Excludes 2
-
certain conditions originating in the perinatal period (P04-P96)
- A00-B99 Certain infectious and parasitic diseases (A00-B99)
-
complications of pregnancy, childbirth and the puerperium (O00-O9A)
- O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
- Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
-
endocrine, nutritional and metabolic diseases (E00-E88)
- S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
- C00-D49 Neoplasms (C00-D49)
-
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)