2026 ICD-10-CM Diagnosis Code Z43Encounter for attention to artificial openings

ICD-10-CM CodesZ00–Z99Z40-Z53Z43

ICD-10-CM Z43
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z43 is a non-billable ICD-10-CM category code for encounter for attention to artificial openings, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z43.0, Z43.1, Z43.2, and Z43.3.

Code Identity

ICD-10-CM Code
Z43
Billable Status
No — Non-Billable Category
Code Describes
Encounter for attention to artificial openings
Chapter
Z40-Z53
Encounters for other specific health care

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ40-Z53Encounters for other specific health care
CategoryZ43Encounter for attention to artificial openings
This CodeZ43Encounter for attention to artificial openings

Specific Coding for Encounter for attention to artificial openingsOverview

Non-specific codes like Z43 require more characters. Use one of these billable codes instead:

  • Use Z43.0 for Encounter for attention to tracheostomy

  • Use Z43.1 for Encounter for attention to gastrostomy

  • Use Z43.2 for Encounter for attention to ileostomy

  • Use Z43.3 for Encounter for attention to colostomy

  • Use Z43.4 for Encounter for attention to other artificial openings of digestive tract

  • Use Z43.5 for Encounter for attention to cystostomy

  • Use Z43.6 for Encounter for attention to other artificial openings of urinary tract

  • Use Z43.7 for Encounter for attention to artificial vagina

  • Use Z43.8 for Encounter for attention to other artificial openings

  • Use Z43.9 for Encounter for attention to unspecified artificial opening

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • closure of artificial openings
  • passage of sounds or bougies through artificial openings
  • reforming artificial openings
  • removal of catheter from artificial openings
  • toilet or cleansing of artificial openings

Type 1 Excludes

Type 2 Excludes

  • fitting and adjustment of prosthetic and other devices Z44 Z46

Patient EducationClinical

Ostomy

An ostomy is surgery to create an opening (stoma) from an area inside the body to the outside. It treats certain diseases of the digestive or urinary systems. It can be permanent, when an organ must be removed. It can be temporary, when the organ needs time to heal. The organ could be the small intestine, colon, rectum, or bladder.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z43Overview

Is Z43 (Encounter for attention to artificial openings) a billable code?

No. This is a category header that groups the codes for encounter for attention to artificial openings, and headers cannot be submitted on claims. Claims for encounter for attention to artificial openings need a more specific code from this category, such as Z43.0, Z43.1, and Z43.2.