Skip to content

Z93 ICD-10-CM Code: Artificial opening status

ICD-10-CM Code View

HCC Buddy Code Card

Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.

FY 2026 Apr update / Factors influencing health status and contact with health services (Z00-Z99) / Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Z93

Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidance

Artificial opening status

Artificial opening status

CMS-HCC V28

0

0

RAF 0

CMS-HCC V24

0

0

RAF 0

ACA/HHS

0

0

RAF 0

ESRD/PACE

0

0

RAF 0

RXHCC

0

0

RAF 0

Code Trumping

Basket needed

Code Book Path

Official
Z9Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Z93Artificial opening status

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for Z93 in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for Z93 in this effective period.

Related Child Codes

Official
Z93.0Tracheostomy status
Z93.1Gastrostomy status
Z93.2Ileostomy status
Z93.3Colostomy status
Z93.4Other artificial openings of gastrointestinal tract status

Includes

Official

ICD-10-CM does not list Includes notes for Z93 in this effective period.

Excludes 1

Official
  • artificial openings requiring attention or management (Z43.-)
  • complications of external stoma (J95.0-, K94.-, N99.5-)

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for Z93 in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for Z93 in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for Z93 in this effective period.

Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.

What This Code Means

Z93 is the ICD-10-CM diagnosis code for artificial opening status. Z93 sits in the ICD-10-CM chapter for factors influencing health status and contact with health services (z00-z99), within the section covering persons with potential health hazards related to family and personal history and certain conditions influencing health status (z77-z99).

Header codes like Z93 cannot be reported on claims directly, they organize child codes that share clinical context but the actual diagnosis must be coded to the highest level of specificity supported by the documentation. Coders should look at Z93's child codes and select the one that matches the patient's documented presentation, since payers reject header codes submitted as the primary diagnosis. For risk adjustment workflows, header codes never contribute to a Medicare Advantage member's RAF score on their own; only billable child codes that happen to map to a payment HCC affect risk-adjusted plan payments.

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for Z93 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Excludes 1, Do NOT code together

  • artificial openings requiring attention or management (Z43.-)
  • complications of external stoma (J95.0-, K94.-, N99.5-)

Child Codes

Code Hierarchy

Z93Artificial opening status
Z93Artificial opening status

More on Z93

Referenced in blog posts

Open Z93 in the Interactive Encoder

See full code details, coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial. No credit card required.