HBV/HCV/HIV/CMV serology + Strongyloides screen pre-CHOEP (immigrants from endemic areas)...

Deterministic view of the source YAML entity. Clinical authority remains with the cited source IDs and reviewer sign-off state.

ID	`RF-EATL-INFECTION-SCREENING`
Type	Red flag
Status	reviewed 2026-04-25 \| pending_clinical_signoff
Diseases	`DIS-EATL`
Sources	`SRC-ESMO-PTCL-2024` `SRC-NCCN-BCELL-2025`

Red Flag Origin

Definition	HBV/HCV/HIV/CMV serology + Strongyloides screen pre-CHOEP (immigrants from endemic areas) — anti-CD20 not used here, but rituximab-naive patients still require HBV prophylaxis if HBsAg+.
Clinical direction	investigate
Category	infection-screening

Trigger Logic

{
  "any_of": [
    {
      "finding": "hbsag",
      "value": "positive"
    },
    {
      "finding": "strongyloides_endemic_exposure",
      "value": true
    },
    {
      "finding": "hiv_serology",
      "value": "positive"
    }
  ],
  "type": "biomarker"
}

Notes

Immunosuppression-driven Strongyloides hyperinfection is rare but lethal; ivermectin prophylaxis for endemic-area patients is standard.

Used By

No reverse references found in the YAML corpus.