ICD-9-CM

321 Meningitis due to other organisms Includes: arachnoiditis due to organisms other than bacteria leptomeningitis due to organisms other than bacteria meningitis due to organisms other than bacteria pachymeningitis due to organisms other than bacteria
321.0: Cryptococcal meningitis Code first underlying disease (117.5)
321.1: Meningitis in other fungal diseases Code first underlying disease (110.0-118) Excludes: meningitis in: candidiasis (112.83) coccidioidomycosis (114.2) histoplasmosis (115.01, 115.11, 115.91)
321.2: Meningitis due to viruses not elsewhere classified Code first underlying disease, as: meningitis due to arbovirus (060.0-066.9) Excludes: meningitis (due to): abacterial (047.0-047.9) adenovirus (049.1) aseptic NOS (047.9) Coxsackie (virus) (047.0) ECHO virus (047.1) enterovirus (047.0-047.9) herpes simplex virus (054.72) herpes zoster virus (053.0) lymphocytic choriomeningitis virus (049.0) mumps (072.1) viral NOS (047.9) meningo-eruptive syndrome (047.1)
321.3: Meningitis due to trypanosomiasis Code first underlying disease (086.0-086.9)
321.4: Meningitis in sarcoidosis Code first underlying disease (135)
321.8: Meningitis due to other nonbacterial organisms classified elsewhere Code first underlying disease Excludes: leptospiral meningitis (100.81)

321 Meningitis due to other organisms

Includes:

arachnoiditis due to organisms other than bacteria

leptomeningitis due to organisms other than bacteria

meningitis due to organisms other than bacteria

pachymeningitis due to organisms other than bacteria

Code first underlying disease (117.5)

Code first underlying disease (110.0-118)

Excludes:

meningitis in:

candidiasis (112.83)

coccidioidomycosis (114.2)

histoplasmosis (115.01, 115.11, 115.91)

Code first underlying disease, as:

meningitis due to arbovirus (060.0-066.9)

Excludes:

meningitis (due to):

abacterial (047.0-047.9)

adenovirus (049.1)

aseptic NOS (047.9)

Coxsackie (virus) (047.0)

ECHO virus (047.1)

enterovirus (047.0-047.9)

herpes simplex virus (054.72)

herpes zoster virus (053.0)

lymphocytic choriomeningitis virus (049.0)

mumps (072.1)

viral NOS (047.9)

meningo-eruptive syndrome (047.1)

Code first underlying disease (086.0-086.9)

Code first underlying disease (135)

Code first underlying disease

Excludes:

leptospiral meningitis (100.81)

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