A39 — Meningococcal infection
Not billable
Is A39 billable?
No — A39 is a non-billable header code. A39 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 15 billable codes beneath A39.
Billable codes under this header
- A39.0Meningococcal meningitis
- A39.1Waterhouse-Friderichsen syndrome
- A39.2Acute meningococcemia
- A39.3Chronic meningococcemia
- A39.4Meningococcemia, unspecified
- A39.9Meningococcal infection, unspecified
- A39.50Meningococcal carditis, unspecified
- A39.51Meningococcal endocarditis
- A39.52Meningococcal myocarditis
- A39.53Meningococcal pericarditis
- A39.81Meningococcal encephalitis
- A39.82Meningococcal retrobulbar neuritis
- A39.83Meningococcal arthritis
- A39.84Postmeningococcal arthritis
- A39.89Other meningococcal infections
A39 at a glance
| Code | A39 |
|---|---|
| Description | Meningococcal infection |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Use additional code — inherited from Chapter 1
Report an additional code alongside A39 to fully describe the condition. A39 is sequenced first.
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes2 — not included here — inherited from Chapter 1
The conditions below are not part of A39, but a patient may have both at the same time. When documentation supports it, A39 and the excluded code may both be reported.
- 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)
What codes fall under A39? (8)
How long has A39 existed?
A39 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.