Some conditions, known as opportunistic infections, are inherent to HIV, such as pneumocystis carinii pneumonia (136.3) and Kaposi's sarcoma (176. x). In these cases, code 042 is assigned and sequenced as the principal diagnosis.
Pneumocystis pneumonia (PCP) is a common AIDS-defining opportunistic illness in people with HIV infection, but its incidence has fallen with use of prophylactic treatment. Without treatment, PCP is likely to be fatal in people with AIDS, so placebo-controlled studies would be considered unethical.
B22 Human immunodeficiency virus [HIV] disease resulting in other specified diseases.
Following ICD-10 guidelines, if a patient has or has had an HIV related condition, use B20 AIDS. If the patient has a positive HIV status, without symptoms or related conditions, use Z21.
Pneumocystis pneumonia (PCP) is a serious infection caused by the fungus Pneumocystis jirovecii. Most people who get PCP have a medical condition that weakens their immune system, like HIV/AIDS, or take medicines (such as corticosteroids) that lower the body's ability to fight germs and sickness.
Pneumocystis pneumonia is caused by the yeast-like fungus Pneumocystis jirovecii that most commonly presents as an opportunistic infection in HIV infected patients, but may present in a variety of people with weak immune systems.
ICD-10 code B20 for Human immunodeficiency virus [HIV] disease is a medical classification as listed by WHO under the range - Certain infectious and parasitic diseases .
ICD-10 Coding: Diagnosis of B20 (HIV)
Code Z21 is used for patients who are asymptomatic, meaning they are HIV positive but have never had an HIV-related condition. Once that patient experiences an HIV-related condition, the Z21 code is no longer appropriate.