A39.81 MENINGOCOCCAL ENCEPHALITIS

Code Information

Diagnosis Code: A39.81
Short Description: Meningococcal encephalitis
Long Description: Meningococcal encephalitis
Code Version: 2025 ICD-10-CM

The code A39.81 is VALID for claim submission

Code Classification

Certain infectious and parasitic diseases (A00–B99)
- Other bacterial diseases (A30-A49)
  - Meningococcal infection (A39)

Synonyms

Meningococcal encephalitis

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
A39.81		036.1	Meningococc encephalitis

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
A39	Meningococcal infection
A39.0	Meningococcal meningitis
A39.1	Waterhouse-Friderichsen syndrome
A39.2	Acute meningococcemia
A39.3	Chronic meningococcemia
A39.4	Meningococcemia, unspecified
A39.5	Meningococcal heart disease
A39.50	Meningococcal carditis, unspecified
A39.51	Meningococcal endocarditis
A39.52	Meningococcal myocarditis
A39.53	Meningococcal pericarditis
A39.8	Other meningococcal infections
A39.82	Meningococcal retrobulbar neuritis
A39.83	Meningococcal arthritis
A39.84	Postmeningococcal arthritis
A39.89	Other meningococcal infections
A39.9	Meningococcal infection, unspecified

This page was last updated on: 10/1/2025

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