All ICD10 Codes

K60.321

Billable
ChapterK00–K95
Ranksubcategory
Official Description

Anal fistula, complex, initial

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

Instructional Notes

Includes
  • Anal fistula, complex, new
General instructions are available for the parent sections:
View CH11 NotesView K60 NotesView K60.3 NotesView K60.32 Notes

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)
K55-K64Other diseases of intestines (K55-K64)
K60Fissure and fistula of anal and rectal regions
K60.3Anal fistula
K60.32Anal fistula, complex
K60.321Anal fistula, complex, initial

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K60.321:

subcategoryK60.32
Anal fistula, complex
View context instructions
subcategoryK60.3
Anal fistula
View context instructions
categoryK60
Fissure and fistula of anal and rectal regions
View context instructions
chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K60.321. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Fistula (cutaneous)2 unique routes
anus, anal (recurrent) (infectional)(2 variants)
complex(2 variants)
initial→K60.321
new→K60.321

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 393
Other Digestive System Diagnoses with MCC
DRG 394
Other Digestive System Diagnoses with CC
DRG 395
Other Digestive System Diagnoses without CC/MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Anal fistula, complex, initial.

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