ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesK51.01

K51.01

Non-billable

Ulcerative (chronic) pancolitis with complications

BILLABLE STATUSNo
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K51.01 is a used to indicate a diagnosis of ulcerative (chronic) pancolitis with complications.

Key Diagnostic Point:

Ulcerative pancolitis is a severe form of ulcerative colitis that affects the entire colon. Clinically, patients present with symptoms such as abdominal pain, diarrhea (often bloody), urgency, and weight loss. The disease is characterized by inflammation and ulceration of the colonic mucosa, leading to complications such as perforation, toxic megacolon, and increased risk of colorectal cancer. The anatomy involved includes the entire colon, from the cecum to the rectum, and the inflammation can extend to the surrounding tissues. Disease progression can vary, with periods of exacerbation and remission. Diagnostic considerations include colonoscopy with biopsy, imaging studies, and laboratory tests to rule out infections and other gastrointestinal disorders. The diagnosis of K51.01 specifically indicates the presence of complications, which may include severe bleeding, abscess formation, or colonic dilation, necessitating careful monitoring and management.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity: Requires comprehensive evaluation including endoscopy and histopathological examination.
  • Treatment complexity: May involve immunosuppressive therapy, biologics, or surgical intervention.
  • Documentation requirements: Detailed clinical notes and evidence of complications are necessary.
  • Coding specificity: Requires precise coding to reflect the presence of complications.

Audit Risk Factors

  • Common coding errors: Misidentification of the type of ulcerative colitis or failure to document complications.
  • Documentation gaps: Incomplete clinical notes that do not specify the presence of complications.
  • Billing challenges: Potential for denials if documentation does not support the complexity of the condition.

Specialty Focus

Medical Specialties

Gastroenterology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Internal Medicine

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Ulcerative pancolitis significantly impacts patient quality of life and healthcare utilization, often leading to frequent hospitalizations and increased healthcare costs. The condition is prevalent in various populations, with a notable incidence in young adults. Quality measures focus on effective management strategies to reduce complications and improve patient outcomes. Epidemiologically, the rising prevalence of inflammatory bowel diseases, including ulcerative pancolitis, underscores the need for ongoing research and improved treatment protocols.

ICD-9 vs ICD-10

Ulcerative pancolitis significantly impacts patient quality of life and healthcare utilization, often leading to frequent hospitalizations and increased healthcare costs. The condition is prevalent in various populations, with a notable incidence in young adults. Quality measures focus on effective management strategies to reduce complications and improve patient outcomes. Epidemiologically, the rising prevalence of inflammatory bowel diseases, including ulcerative pancolitis, underscores the need for ongoing research and improved treatment protocols.

Reimbursement & Billing Impact

Reimbursement considerations may vary based on the severity of the condition and the treatment provided. Common denials can occur if the documentation does not clearly outline the complications or if the coding does not match the clinical findings. Best practices include thorough documentation of all clinical encounters, ensuring that the coding reflects the complexity of the patient's condition, and regular audits to identify potential areas of improvement in coding accuracy.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K51.01?

K51.01 covers ulcerative pancolitis with complications such as severe bleeding, perforation, or toxic megacolon. It is essential to document the specific complications present to justify this code.

When should K51.01 be used instead of related codes?

K51.01 should be used when the patient has ulcerative pancolitis affecting the entire colon with documented complications. If there are no complications, K51.00 should be used instead.

What documentation supports K51.01?

Documentation should include clinical findings from colonoscopy, biopsy results, imaging studies, and a detailed account of the patient's symptoms and complications.