Chapter I
Certain infectious and parasitic diseases
(A00-B99)

Human immunodeficiency virus [HIV] disease
(B20-B24)

Excludes: asymptomatic human immunodeficiency virus [HIV] infection status ( Z21 )

B20 Human immunodeficiency virus [HIV] disease resulting in infectious and parasitic diseases
Excludes: acute HIV infection syndrome ( B23.0 )
B20.0 HIV disease resulting in mycobacterial infection
HIV disease resulting in tuberculosis
B20.1 HIV disease resulting in other bacterial infections
B20.2 HIV disease resulting in cytomegaloviral disease
B20.3 HIV disease resulting in other viral infections
B20.4 HIV disease resulting in candidiasis
B20.5 HIV disease resulting in other mycoses
B20.6 HIV disease resulting in Pneumocystis carinii pneumonia
B20.7 HIV disease resulting in multiple infections
B20.8 HIV disease resulting in other infectious and parasitic diseases
B20.9 HIV disease resulting in unspecified infectious or parasitic disease
HIV disease resulting in infection NOS

B21 Human immunodeficiency virus [HIV] disease resulting in malignant neoplasms
B21.0 HIV disease resulting in Kaposi's sarcoma
B21.1 HIV disease resulting in Burkitt's lymphoma
B21.2 HIV disease resulting in other types of non-Hodgkin's lymphoma
B21.3 HIV disease resulting in other malignant neoplasms of lymphoid, haematopoietic and related tissue
B21.7 HIV disease resulting in multiple malignant neoplasms
B21.8 HIV disease resulting in other malignant neoplasms
B21.9 HIV disease resulting in unspecified malignant neoplasm

B22 Human immunodeficiency virus [HIV] disease resulting in other specified diseases
B22.0 HIV disease resulting in encephalopathy
HIV dementia
B22.1 HIV disease resulting in lymphoid interstitial pneumonitis
B22.2 HIV disease resulting in wasting syndrome
HIV disease resulting in failure to thrive
Slim disease
B22.7 HIV disease resulting in multiple diseases classified elsewhere
Note: For use of this category, reference should be made to the morbidity or mortality coding rules and guidelines in Volume 2.

B23 Human immunodeficiency virus [HIV] disease resulting in other conditions
B23.0 Acute HIV infection syndrome
B23.1 HIV disease resulting in (persistent) generalized lymphadenopathy
B23.2 HIV disease resulting in haematological and immunological abnormalities, not elsewhere classified
B23.8 HIV disease resulting in other specified conditions

B24 Unspecified human immunodeficiency virus [HIV] disease
Acquired immunodeficiency syndrome [AIDS] NOS
AIDS-related complex [ARC] NOS