What is the ICD-10 (International Classification of Diseases, 10th Revision) code for a new colostomy?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: June 28, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the Guidelines

The ICD-10 code for a new colostomy is Z93.3, which represents the status of having a colostomy, a surgical opening created between the colon and the surface of the body. When coding for a new colostomy, it's essential to also code the underlying condition that necessitated the colostomy, such as colorectal cancer (C18-C20) or diverticulitis (K57) 1.

Key Considerations for Coding

  • The Z93.3 code should be used after the initial surgical procedure is completed and the patient has the colostomy in place.
  • If complications arise from the colostomy, additional codes like K94.0 (colostomy complications) may be needed.
  • The Z93.3 code helps healthcare providers track patients with colostomies for appropriate follow-up care, stoma management, and potential future procedures like colostomy reversal when applicable 1.

Importance of Accurate Coding

Accurate coding is crucial for proper billing and documentation, as well as for tracking patient outcomes and providing high-quality care. By using the correct ICD-10 code for a new colostomy, healthcare providers can ensure that patients receive the necessary follow-up care and management for their condition.

Coding for Underlying Conditions

It's also important to code the underlying condition that led to the colostomy, as this can impact patient care and outcomes. For example, if a patient has colorectal cancer, coding for this condition (C18-C20) can help healthcare providers track the patient's progress and provide appropriate treatment and follow-up care 1.

From the Research

ICD-10 Code for New Colostomy

  • The ICD-10 code for a new colostomy is not explicitly mentioned in the provided studies 2, 3, 4, 5, 6.
  • However, it is essential to note that ICD-10 codes are used for classifying diseases, symptoms, and procedures, and the code for a new colostomy would be specific to the type of colostomy and the reason for its creation.
  • Some possible ICD-10 codes related to colostomy include:
    • Z93.3: Colostomy status
    • K94.0: Colostomy and enterostomy malfunction
    • Y83.8: Other surgical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure (e.g., colostomy)
  • It is crucial to consult the official ICD-10 coding guidelines or a medical coding expert to determine the correct code for a specific situation 6.

Colostomy-Related Studies

  • The provided studies discuss various aspects of colostomy, including its metabolic consequences 2, wound infection rates after closure 3, morbidity associated with closure 4, and alternative procedures like intracolonic bypass 5.
  • A recent study highlights the risks associated with diverting colostomy for sacral pressure ulcers, particularly in malnourished patients 6.
  • These studies demonstrate the complexity and potential complications of colostomy procedures, emphasizing the need for careful consideration and proper coding 2, 3, 4, 5, 6.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

Metabolic consequences of total colectomy.

Scandinavian journal of gastroenterology. Supplement, 1997

Research

Simple Diverting Colostomy for Sacral Pressure Ulcers: Not So Simple After All.

Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract, 2023

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.