K60.311 — Anal fistula, simple, initial
Is K60.311 billable?
Yes — K60.311 is billable for FY2027. K60.311 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. K60.311 may be submitted for encounters from October 1, 2026 through September 30, 2027.
K60.311 at a glance
| Code | K60.311 |
|---|---|
| Description | Anal fistula, simple, initial |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does K60.311 group to?
K60.311 sits in MDC 06 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 393Other Digestive System Diagnoses with MCCmedical
- 394Other Digestive System Diagnoses with CCmedical
- 395Other Digestive System Diagnoses without CC/MCCmedical
How is K60.311 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to K60.311. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Fistula › anus, anal › simple › initial (cutaneous)
- Fistula › anus, anal › simple › new (cutaneous)
Inclusion terms
Alternative wording in documentation that is classified to K60.311.
- Anal fistula, simple, new
Excludes1 — never code together — inherited from K60.3
The conditions below can never be reported together with K60.311 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- congenital fistula (Q43.6)
Code first — inherited from K60.3
The underlying condition below must be sequenced before K60.311. K60.311 describes a manifestation and cannot be the principal or first-listed diagnosis.
Excludes2 — not included here — inherited from Chapter 11
The conditions below are not part of K60.311, but a patient may have both at the same time. When documentation supports it, K60.311 and the excluded code may both be reported.
- 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)
Excludes2 — not included here — inherited from K60
The conditions below are not part of K60.311, but a patient may have both at the same time. When documentation supports it, K60.311 and the excluded code may both be reported.
How long has K60.311 existed?
K60.311 first appears in FY2025.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.