A39Non-billable

Meningococcal infection

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.-)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A30-A49Other bacterial diseases (A30-A49)
A39Meningococcal infectionNot billable
A39.0Meningococcal meningitisBillable
A39.1Waterhouse-Friderichsen syndromeBillable
A39.2Acute meningococcemiaBillable
A39.3Chronic meningococcemiaBillable
A39.4Meningococcemia, unspecifiedBillable
A39.5Meningococcal heart diseaseSubcodes
A39.8Other meningococcal infectionsSubcodes
A39.9Meningococcal infection, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.