What ICD-10 Codes are Used for Anal Fissure?
Anal fissures are characterized by a tear in the anal mucosa, leading to pain and bleeding. Accurate coding is crucial for treatment and billing. Below are the ICD-10 codes used for anal fissures, along with their clinical descriptions:
- K60.0 - Acute anal fissure: This code is assigned for a recent, sudden tear in the anal lining, typically causing sharp pain and bleeding during defecation. It is a condition that often resolves with conservative treatment.
- K60.1 - Chronic anal fissure: Used for a tear that persists for more than six weeks, this code indicates a fissure that may have developed secondary features like a skin tag or hypertrophied anal papilla, often requiring more intensive treatment.
- K60.2 - Anal fissure, unspecified: This code applies when the documentation does not specify the duration of the fissure, necessitating a default code for an anal fissure.
- K60.3 - Anal fistula: Represents a chronic abnormal tunnel between the epithelialized surface of the anal canal and the perianal skin, not a fissure, but often associated with similar symptoms.
- K60.4 - Rectal fissure: Indicates a tear in the rectum's lining, which is less common than an anal fissure and may be associated with different underlying conditions.
- K60.5 - Fissure and fistula of the anal and rectal regionsThis code is used when a fissure and a fistula are present, complicating the clinical picture and potentially requiring surgical intervention.
For a visual and detailed guide on how to differentiate and apply Anal Fissure ICD Codes, watch our explainer video. This resource is designed to aid clinicians in selecting the appropriate code for accurate diagnosis and billing.

