B20 — Human immunodeficiency virus [HIV] disease
ICD-10-CM codes B20 cover human immunodeficiency virus [hiv] disease, within certain infectious and parasitic diseases. The block holds 1 code across 1 category, of which 1 are billable and 0 are header codes that cannot be submitted on a claim.
Risk adjustment in B20
0 codes in this block map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded. Under-coding here is money left on the table; over-coding here is what audits are for.
- HCC 1 HIV/AIDS
What else to watch in B20
- 1 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.