National case definition:  Acquired immune deficiency syndrome (AIDS)

Date of last revision/review: May 2008

National notification

Only confirmed cases of disease should be notified.

Type of surveillance

Routine case-by-case notification to the federal level.

Case classification

Confirmed case

• 1 or more of the specified indicator diseases (see clinical evidence section)

and

• meeting the case definition of HIV infection

Laboratory comments

See case definition of HIV infection.

Clinical evidence

Indicator diseases for adult and pediatric cases:

• Bacterial pneumonia (recurrent)^{Footnote *}
• Candidiasis (bronchi, trachea or lungs)
• Candidiasis (esophageal)^{Footnote *}
• Cervical cancer (invasive)
• Coccidioidomycosis (disseminated or extrapulmonary)
• Cryptococcosis (extrapulmonary)
• Cryptosporidiosis chronic intestinal (> 1 month duration)
• Cytomegalovirus diseases (other than in liver, spleen or nodes)
• Cytomegalovirus retinitis (with loss of vision)^{Footnote *}
• Encephalopathy, HIV-related (dementia)
• Herpes simplex: chronic ulcer(s) (> 1 month duration) or bronchitis, pneumonitis or esophagitis
• Histoplasmosis (disseminated or extrapulmonary)
• Isosporiasis, chronic intestinal (> 1 month duration)
• Kaposi's sarcoma^{Footnote *}
• Lymphoma, Burkitt's (or equivalent term)
• Lymphoma, immunoblastic (or equivalent term)
• Lymphoma (primary in brain)
• Mycobacterium avium complex or M. kansasii (disseminated or extrapulmonary)^{Footnote *}
• Mycobacterium of other species or unidentified species^{Footnote *}
• M. tuberculosis (disseminated or extrapulmonary)
• M. tuberculosis (pulmonary)^{Footnote *}
• Pneumocystis jirovecii (formerly Pneumocystis carinii) pneumonia (PCP)^{Footnote *}
• Progressive multifocal leukoencephalopathy
• Salmonella septicemia (recurrent)
• Toxoplasmosis of brain^{Footnote *}
• Wasting syndrome due to HIV

Indicator diseases that apply only to pediatric cases (< 15 years old):

• Bacterial infections (multiple or recurrent, excluding recurrent bacterial pneumonia)
• Lymphoid interstitial pneumonia and/or pulmonary lymphoid hyperplasia^{Footnote *}

ICD code(s)

ICD-10 code(s)

• B20-B24

ICD-9 code(s)

• 042-044

Type of international reporting

Informal sharing of data on a regular basis with the WHO, Pan American Health Organization and Joint United Nations Programme on HIV/AIDS.

References

Case definitions for diseases under national surveillance. CCDR 2000;26(S3).