Answer:
In John's case, the medical coder uses the ICD-10 code corresponding to Pneumocystis carinii infection secondary to Human Immunodeficiency Virus (HIV) infection, whose code is B20.6.
Explanation:
Medical coders use ICD-10 to establish the diagnostic coding of diseases. ICD-10 corresponds to International Statistical Classification of Diseases and Related Health Problems, a system proposed by the world health organization, that covers all possible clinical diagnoses of diseases in codes.
B20 in ICD-10 refers to the manifestation of HIV disease resulting in infectious and parasitic diseases.
Pneumocystis jirovecii pneumonia -previously P. carini pneumonia- is an opportunistic systemic fungal disease that occurs in people with immunodeficiencies, and its HIV-related code is B20.6.
ICD 10 codes https://brainly.com/question/9365606
