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v1.0.0
ICD-10 Guide
DiagnosesAnal Fissure

Anal Fissure

ICD-10 Coding for Anal Fissure(K60.0, K60.1)

PRIMARY SPECIALTYGastroenterology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Anal Fissure?
Essential facts and insights about Anal Fissure

Key Clinical Considerations:

  • Patients typically present with severe anal pain, especially during and after bowel movements.
  • Physical examination may reveal a visible tear or fissure in the anal mucosa.
  • Patients may report rectal bleeding, often seen on toilet paper or in the stool.
  • Digital rectal examination may elicit pain and discomfort, and may reveal spasm of the anal sphincter.
  • Severity can be classified as acute (less than 6 weeks) or chronic (more than 6 weeks), with chronic fissures often exhibiting hypertrophied anal papillae.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Medical records must include a detailed history of symptoms, including onset, duration, and severity of pain.
  • Specific terminology such as 'anal fissure', 'acute', or 'chronic' must be documented.
  • Examples include: 'Patient presents with a chronic anal fissure characterized by pain and bleeding during defecation.'
  • Documentation must support medical necessity for procedures or treatments, such as topical anesthetics or surgical interventions.
  • Quality measures may include documentation of pain assessment and treatment response.

Coding Guidelines

Usage Guidelines & Examples

  • Use K60.0 for acute anal fissure and K60.1 for chronic anal fissure based on the duration of symptoms.
  • Do not use these codes for other anal conditions such as hemorrhoids or anal abscesses, as they have distinct codes.
  • K60.2 (anal fissure, unspecified) may be used when the specific type is not documented.
  • Common errors include misclassifying chronic fissures as acute; ensure documentation reflects the duration.
  • In complex cases, consider the patient's history and any co-existing conditions that may affect treatment.

Code Exclusions

Important Exclusions

  • Excludes conditions such as hemorrhoids (K64) and anal abscess (K61) which have separate codes.
  • Alternative codes for excluded conditions include K64 for hemorrhoids and K61 for anal abscess.
  • Conditions are excluded due to differing pathophysiology and treatment approaches.
  • Common mistakes include coding an anal fissure when the primary issue is hemorrhoids; ensure accurate diagnosis.
  • Related but distinct conditions include anal warts and rectal prolapse, which require different coding.

Related ICD-10 Codes

Primary Codes
K60.0
Acute anal fissure
K60.1
Chronic anal fissure
Differential Codes
K60.1
K60.0

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Gastroenterology

Specialty Applications

  • This diagnosis applies to patients with anal fissures, often due to trauma, constipation, or inflammatory conditions.
  • Patient populations include adults and children, with risk factors such as chronic constipation or diarrhea.
  • Clinical settings include outpatient gastroenterology clinics and emergency departments.
  • Specialty-specific applications are relevant in gastroenterology and colorectal surgery.
  • Treatment contexts include conservative management with dietary changes or surgical intervention for chronic cases.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with anal fissure based on clinical findings of pain and visible tear.'

Template 2

Template: 'Clinical presentation consistent with chronic anal fissure including severe pain and rectal bleeding.'

Template 3

Template: 'Diagnostic criteria for anal fissure met as evidenced by physical examination findings.'

Template 4

Template: 'Treatment plan initiated for anal fissure with topical anesthetics and dietary modifications.'

Template 5

Template: 'Follow-up care for anal fissure including monitoring for symptom resolution and recurrence.'

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Documentation must include a detailed history of symptoms, physical exam findings, and treatment plans.

How does this differ from similar diagnoses?

Anal fissures are characterized by a tear in the anal mucosa, while hemorrhoids are swollen veins.

What are common billing considerations?

Ensure that the diagnosis is clearly documented to support the medical necessity of treatments.

What procedures are typically associated?

Commonly associated procedures include anal dilation, topical treatments, and surgical interventions.

Are there any quality reporting implications?

Quality measures may include tracking pain management and treatment outcomes for patients with anal fissures.