K94.03 Colostomy malfunction

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Mechanical complication of colostomy

Risk adjustment (HCC)

• CMS-HCC V28: HCC 463 — Artificial Openings for Feeding or Elimination
• CMS-HCC V22: HCC 188 — Artificial Openings for Feeding or Elimination
• ESRD V24: HCC 188

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 569.62 Mechanical complication of colostomy and enterostomy (approximate)

Code annotations containing back-references to K94.03

Back-references to K94.0

• Type 2 Excludes: K62 Other diseases of anus and rectum ("colostomy and enterostomy malfunction (K94.0-, K94.1-)")

Back-references to K94

• Type 2 Excludes: K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified ("complications of artificial opening of digestive system (K94.-)")
• Type 2 Excludes: T81 Complications of procedures, not elsewhere classified ("ostomy complications (J95.0-, K94.-, N99.5-)")
• Type 1 Excludes: Z43 Encounter for attention to artificial openings ("complications of external stoma (J95.0-, K94.-, N99.5-)")
• Type 1 Excludes: Z93 Artificial opening status ("complications of external stoma (J95.0-, K94.-, N99.5-)")

Diagnosis Index entries for K94.03

• Colostomy › malfunctioning
• Complication (s) (from) (of) › colostomy (stoma) › malfunction
• Complication (s) (from) (of) › colostomy (stoma) › mechanical
• Dysfunction › colostomy
• Malfunction › colostomy
• Malfunction › colostomy › valve
• Malfunction › valve › colostomy
• Stenosis, stenotic (cicatricial) › colostomy
• Stoma malfunction › colostomy
• Stricture › colostomy
• Stricture › stoma (following) (of) › colostomy

Nearby codes

• K94 Complications of artificial openings of the digestive system
• K94.0 Colostomy complications
• K94.00 Colostomy complication, unspecified
• K94.01 Colostomy hemorrhage
• K94.02 Colostomy infection
• K94.03 Colostomy malfunction (this code)
• K94.09 Other complications of colostomy
• K94.1 Enterostomy complications
• K94.10 Enterostomy complication, unspecified
• K94.11 Enterostomy hemorrhage
• K94.12 Enterostomy infection