B96.83

Acinetobacter baumannii as the cause of diseases classified elsewhere

FY2027Chapter 1: Certain infectious and parasitic diseases/B95–B97 Bacterial and viral infectious agents

BillableComplete code, valid to report

B96.83 (also written B9683) is a billable ICD-10-CM diagnosis code for acinetobacter baumannii as the cause of diseases classified elsewhere. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 16 codes in category B96 (Other bacterial agents as the cause of diseases classified elsewhere). The Alphabetic Index lists it under 2 entries. Its coding notes include a Use additional code instruction and 5 Excludes2 entries.

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

When an infection is classified outside Chapter 1 and no organism is part of its code, an additional B95, B96 or B97 code identifies the organism.

Guidelines I.C.1.bOrganism codes for infections in other chaptersRead the official text

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (1 note)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • code to identify resistance to antimicrobial drugs (Z16.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (5 notes)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Hospice: not accepted as primary

Not accepted as the principal diagnosis on a hospice claim (bill types 081x and 082x). The Integrated OCE returns an edit for this code.
Reason: Supplementary or additional code, not allowed as principal diagnosis.

Source: CMS Integrated Outpatient Code Editor (IOCE) v27.3, effective October 1, 2026, edit 113

Includes

Further defines or gives examples of the content of the category.

Also from chapter/block level (1 note)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • diseases generally recognized as communicable or transmissible

Notes

Also from chapter/block level (1 note)
Inherited from B95–B97 Bacterial and viral infectious agents
  • These categories are provided for use as supplementary or additional codes to identify the infectious agent(s) in diseases classified elsewhere.

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 2 entries