Z22.358
BillableCarrier of other Enterobacterales
Last updated: FY2026 ICD-10-CM (Oct 1, 2025 – Sep 30, 2026) | CMS-HCC V28 (100% phase-in, PY2026)
Is Z22.358 an HCC code?
No. Z22.358 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Z22.358 is the ICD-10-CM diagnosis code for carrier of other enterobacterales. A person who carries other types of Enterobacterales bacteria (not carbapenem-resistant) without being sick, but can potentially spread it to others. Z22.358 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 communicable diseases (z20-z29).
Z22.358 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Use this code for Enterobacterales carriers when carbapenem resistance is not the primary concern or when other resistance patterns are documented.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for Z22.358 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Use this code for Enterobacterales carriers when carbapenem resistance is not the primary concern or when other resistance patterns are documented
- •Specify the organism type in documentation (e.g., ESBL-producing E. coli) for clarity