B50-B64 — Protozoal diseases
ICD-10-CM codes B50-B64 cover protozoal diseases, within certain infectious and parasitic diseases. The block holds 72 codes across 12 categories, of which 57 are billable and 15 are header codes that cannot be submitted on a claim.
Risk adjustment in B50-B64
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 6 Opportunistic Infections
What else to watch in B50-B64
- 29 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.
Categories in B50-B64
- B50Plasmodium falciparum malaria
- B51Plasmodium vivax malaria
- B52Plasmodium malariae malaria
- B53Other specified malaria
- B54Unspecified malaria
- B55Leishmaniasis
- B56African trypanosomiasis
- B57Chagas' disease
- B58Toxoplasmosis
- B59Pneumocystosis
- B60Other protozoal diseases, not elsewhere classified
- B64Unspecified protozoal disease