What’s the difference between B20 and Z21? Which is right for positive HIV status?

ICD-10-CM diagnosis coding for positive HIV status

Question:

For an HIV positive patient without symptoms, is the correct diagnosis code Z21 or B20? What difference does it make to reimbursement?

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Last revised April 26, 2021 - Betsy Nicoletti
Tags: diagnosis coding, ICD-10

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