All ICD10 Codes
A44Non-billable

Bartonellosis

Certain Infectious and Parasitic Diseases·Other bacterial diseases (A30-A49)·category·FY 2026

Use a more specific code (4 billable)
A44.0Systemic bartonellosisA44.1Cutaneous and mucocutaneous bartonellosisA44.8Other forms of bartonellosisA44.9Bartonellosis, unspecified

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • 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)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A30-A49Other bacterial diseases (A30-A49)
A44BartonellosisNot billable
A44.0Systemic bartonellosisBillable
A44.1Cutaneous and mucocutaneous bartonellosisBillable
A44.8Other forms of bartonellosisBillable
A44.9Bartonellosis, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.