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v1.0.0
ICD-10 Guide
DiagnosesLarge Bowel Obstruction

Large Bowel Obstruction

ICD-10 Coding for Large Bowel Obstruction(K56.609, K56.52)

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

Diagnosis Overview

What is Large Bowel Obstruction?
Essential facts and insights about Large Bowel Obstruction

Key Clinical Considerations:

  • Abdominal pain and distension
  • Constipation or obstipation
  • Nausea and vomiting
  • Dehydration signs
  • Bowel sounds may be absent or high-pitched

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including onset and duration of symptoms
  • Physical exam findings detailing abdominal tenderness and distension
  • Results of imaging studies (e.g., X-ray, CT scan) showing obstruction
  • Assessment of bowel sounds and rectal examination findings

Coding Guidelines

Usage Guidelines & Examples

  • Usage guidelines: Use specific codes based on the type and location of obstruction.
  • Common errors: Misclassifying the type of obstruction or failing to document supporting symptoms.

Code Exclusions

Important Exclusions

  • Ileus (K56.0)
  • Diverticulitis with obstruction (K57.2)

Related ICD-10 Codes

Primary Codes
K56.609
Unspecified large bowel obstruction
K56.5
Intestinal obstruction, unspecified
Ancillary Codes
Z98.89
Differential Codes
K56.2
K56.41

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

  • Adult and pediatric populations
  • Emergency departments and urgent care settings

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

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

Documentation requirements?

Document the patient's symptoms, physical exam findings, and imaging results.

Billing considerations?

Ensure accurate coding to reflect the severity and type of obstruction for appropriate reimbursement.