Z43.3: Encounter for attention to colostomy
Z43.3 is a billable, specific ICD-10-CM code for encounter for attention to colostomy. It is valid for submission on a claim.
Check Z43.3 with the rest of the claim: free scrubberExcludes1 inherited from the categories above Z43.3
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above Z43.3
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with Z43.3
Their own Excludes1 notes name this code, so the conflict is not listed above.
- Z93Artificial opening status
Risk adjustment
Z43.3 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 463 Artificial Openings for Feeding or Elimination0.673 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
Z43.3 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52487Ostomy Supplies - Policy Article
Alphabetic index entries that lead here
- Attention›colostomy
- Colostomy›attention to
- Admission›attention to artificial opening›colostomy
- Attention›artificial›opening›digestive tract NEC›colon
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under Z43
- Z43.0Encounter for attention to tracheostomy
- Z43.1Encounter for attention to gastrostomy
- Z43.2Encounter for attention to ileostomy
- Z43.4Encounter for attention to other artificial openings of digestive tract
- Z43.5Encounter for attention to cystostomy
- Z43.6Encounter for attention to other artificial openings of urinary tract
- Z43.7Encounter for attention to artificial vagina
- Z43.8Encounter for attention to other artificial openings
- Z43.9Encounter for attention to unspecified artificial opening