MCMedicalCodingSoftware
Z22.34

Z22.34: Carrier of Acinetobacter baumannii

Non-billable headerICD-10-CM

Z22.34 is a non-billable header ICD-10-CM code for carrier of acinetobacter baumannii. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 inherited from the categories above Z22.34

Not part of this code, but both may be coded when both are present.

Written on Z22: Carrier of infectious disease

  • carrier of viral hepatitis (B18.-)

Other codes that can never be billed with Z22.34

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • Z20Contact with and (suspected) exposure to communicable diseases
  • R82.7Abnormal findings on microbiological examination of urine
  • R83.5Abnormal microbiological findings in cerebrospinal fluid
  • R84.5Abnormal microbiological findings in specimens from respiratory organs and thorax
  • R85.5Abnormal microbiological findings in specimens from digestive organs and abdominal cavity
  • R86.5Abnormal microbiological findings in specimens from male genital organs
  • R87.5Abnormal microbiological findings in specimens from female genital organs
  • R89.5Abnormal microbiological findings in specimens from other organs, systems and tissues

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Z22.34

3 child codes. Green means billable.

Other codes under Z22.3

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.