A48Non-billable

Other bacterial diseases, not elsewhere classified

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

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.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A30-A49Other bacterial diseases (A30-A49)
A48Other bacterial diseases, not elsewhere classifiedNot billable
A48.0Gas gangreneBillable
A48.1Legionnaires' diseaseBillable
A48.2Nonpneumonic Legionnaires' disease [Pontiac fever]Billable
A48.3Toxic shock syndromeBillable
A48.4Brazilian purpuric feverBillable
A48.5Other specified botulismSubcodes
A48.8Other specified bacterial diseasesBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.