K60.31
Anal fistula, simple
K60.31 is a non-billable ICD-10-CM code header for anal fistula, simple. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K60.311 Anal fistula, simple, initial; K60.312 Anal fistula, simple, persistent; K60.313 Anal fistula, simple, recurrent and K60.319 Anal fistula, simple, unspecified. Its coding notes include a Code first instruction, 1 Excludes1 entry and 10 Excludes2 entries.
Code first
If the underlying condition listed here is present and known, sequence it first.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Inclusion terms
Conditions classified to this code.
- Low intersphincteric anal fistula
- Superficial anal fistula
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 2 entries