A00–B99
Certain Infectious and Parasitic Diseases
Cholera, tuberculosis, HIV, hepatitis, COVID-19
B00.4
Herpesviral encephalitis
Billable
B00.5
Herpesviral ocular disease
Non-billable
B00.50
Herpesviral ocular disease, unspecified
Billable
B00.51
Herpesviral iridocyclitis
Billable
B00.52
Herpesviral keratitis
Billable
B00.53
Herpesviral conjunctivitis
Billable
B00.59
Other herpesviral disease of eye
Billable
B00.7
Disseminated herpesviral disease
Billable
B00.8
Other forms of herpesviral infections
Non-billable
B00.81
Herpesviral hepatitis
Billable
B00.82
Herpes simplex myelitis
Billable
B00.89
Other herpesviral infection
Billable
B00.9
Herpesviral infection, unspecified
Billable
B01
Varicella [chickenpox]
Non-billable
B01.0
Varicella meningitis
Billable
B01.1
Varicella encephalitis, myelitis and encephalomyelitis
Non-billable
B01.11
Varicella encephalitis and encephalomyelitis
Billable
B01.12
Varicella myelitis
Billable
B01.2
Varicella pneumonia
Billable
B01.8
Varicella with other complications
Non-billable
B01.81
Varicella keratitis
Billable
B01.89
Other varicella complications
Billable
B01.9
Varicella without complication
Billable
B02
Zoster [herpes zoster]
Non-billable
B02.0
Zoster encephalitis
Billable
B02.1
Zoster meningitis
Billable
B02.2
Zoster with other nervous system involvement
Non-billable
B02.21
Postherpetic geniculate ganglionitis
Billable
B02.22
Postherpetic trigeminal neuralgia
Billable
B02.23
Postherpetic polyneuropathy
Billable
B02.24
Postherpetic myelitis
Billable
B02.29
Other postherpetic nervous system involvement
Billable
B02.3
Zoster ocular disease
Non-billable
B02.30
Zoster ocular disease, unspecified
Billable
B02.31
Zoster conjunctivitis
Billable
B02.32
Zoster iridocyclitis
Billable
B02.33
Zoster keratitis
Billable
B02.34
Zoster scleritis
Billable
B02.39
Other herpes zoster eye disease
Billable
B02.7
Disseminated zoster
Billable
B02.8
Zoster with other complications
Billable
B02.9
Zoster without complications
Billable
B03
Smallpox
Billable
B04
Monkeypox
Billable
B05
Measles
Non-billable
B05.0
Measles complicated by encephalitis
Billable
B05.1
Measles complicated by meningitis
Billable
B05.2
Measles complicated by pneumonia
Billable
B05.3
Measles complicated by otitis media
Billable
B05.4
Measles with intestinal complications
Billable
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