ICD-10-CM · Chapter 11 · K00–K95
K60.321
Anal fistula, complex, initial
Diseases of the digestive system
Quick facts
- Code
- K60.321
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 11 — Diseases of the digestive system
- Category
- K60 — Fissure and fistula of anal and rectal regions
- Specificity
- 6 characters
How coders use this code
ICD-10-CM K60.321 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of anal fistula, complex, initial. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in K60
- K60Fissure and fistula of anal and rectal regions
- K60.0Acute anal fissure
- K60.1Chronic anal fissure
- K60.2Anal fissure, unspecified
- K60.3Anal fistula
- K60.30Anal fistula, unspecified
- K60.31Anal fistula, simple
- K60.311Anal fistula, simple, initial
- K60.312Anal fistula, simple, persistent
- K60.313Anal fistula, simple, recurrent
- K60.319Anal fistula, simple, unspecified
- K60.32Anal fistula, complex
- K60.322Anal fistula, complex, persistent
- K60.323Anal fistula, complex, recurrent
- K60.329Anal fistula, complex, unspecified
Want to learn coding?
Master ICD-10-CM in 90 days.
Medita's 90-day curriculum is calibrated to the CPC (AAPC), CCA, and CCS (AHIMA) exam blueprints. Day 1 is free.