Page 77 - AIDSBK23C

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CATEGORY B: For classification purposes, Category B conditions take precedence over those
in Category A. Persons are included in Category B with symptomatic conditions not included
among conditions listed in clinical Category C and that meet at least one of the following
criteria: (a) the conditions are attributed to HIV infection or are indicative of a defect in cell-
mediated immunity; or (b) the conditions are considered by physicians to have a clinical course
or to require management that is complicated by HIV infection. Many Category B diseases are
not life threatening. Examples of conditions in clinical Category B include, but are not limited
to:

* Anorectal squamous epithelial dysplasia or carcinoma;
* Bacillary angiomatosis;
* Candidiasis, oropharyngeal (oral thrush);
* Candidiasis, vulvovaginal; persistent, frequent, or poorly responsive to therapy;
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* Constitutional symptoms, such as fever (38.5 C) or diarrhea lasting >1 month;
* Hairy leukoplakia, oral;
* Varicella (herpes) zoster virus (shingles), involving at least two distinct episodes or more
than one dermatome;
* Idiopathic thrombocytopenic purpura;
* Listeriosis;
* Nephropathy, HIV-related;
* Onychomycosis;
* Pelvic inflammatory disease, particularly if complicated by tubo-ovarian abscess;
* Peripheral neuropathy

CATEGORY C: For classification purposes, once a Category C condition has occurred, the
person so classified will remain in Category C. Many Category C diseases are life threatening.
Clinical conditions for inclusion of a person in Category C are:

* Candidiasis of bronchi, trachea, or lungs;
* Candidiasis, esophageal;
* Cervical cancer, invasive;
* Coccidioidomycosis, disseminated or extrapulmonary;
* Cryptococcosis, extrapulmonary;
* Cryptosporidiosis, chronic intestinal (>1 month's duration);
* Cytomegalovirus disease (other than liver, spleen, or lymph nodes);
* Cytomegalovirus retinitis (with loss of vision);
* Encephalopathy, HIV-related;
* Herpes simplex: chronic ulcer(s) (>1 month's duration); or bronchitis, pneumonitis, or
esophagitis;
* Histoplasmosis, disseminated or extrapulmonary;
* Isosporiasis, chronic intestinal (>1 month's duration)
* Kaposi sarcoma;
* Lymphoma, Burkitt (or equivalent term);
* Lymphoma, immunoblastic (or equivalent term);
* Lymphoma, primary, of brain;