ICD-10-CM > A00-B99 > A30-A49 > A39 A39 Meningococcal infection Non-Billable/Non-Specific Codes A39.0Meningococcal meningitisA39.1Waterhouse-Friderichsen syndromeA39.2Acute meningococcemiaA39.3Chronic meningococcemiaA39.4Meningococcemia, unspecifiedA39.5Meningococcal heart diseaseA39.50Meningococcal carditis, unspecifiedA39.51Meningococcal endocarditisA39.52Meningococcal myocarditisA39.53Meningococcal pericarditisA39.8Other meningococcal infectionsA39.81Meningococcal encephalitisA39.82Meningococcal retrobulbar neuritisA39.83Meningococcal arthritisA39.84Postmeningococcal arthritisA39.89Other meningococcal infectionsA39.9Meningococcal infection, unspecified