{"topic_id":"companion_practical_aafp_fip_diagnosis","category":"companion-practical","context":"---\ntopic_id: companion_practical_aafp_fip_diagnosis\ncategory: companion-practical\ntitle: \"AAFP/EveryCat Feline Infectious Peritonitis (FIP) Diagnosis Guidelines (2022) — building an index of suspicion\"\nlang: en\nsource: \"AAFP/FelineVMA guideline landed as pdf-raw/companion-practical/aafp_fip_diagnosis_2026-08-11.txt (KIMI fetch 2026-08-11); C1 anchor txt pdf-raw/companion-practical/aafp_fip_diagnosis_2026-08-11.txt\"\nsource_file: pdf-raw/companion-practical/aafp_fip_diagnosis_2026-08-11.txt\ndate_parsed: 2026-08-11\ntokens_estimated: 280\nverified: true\nverification: paraphrase\nsource_document: \"2022 AAFP/EveryCat Feline Infectious Peritonitis Diagnosis Guidelines (Journal of Feline Medicine and Surgery)\"\ncitation:\n  authority: \"American Association of Feline Practitioners (AAFP)\"\n  title: \"2022 AAFP/EveryCat Feline Infectious Peritonitis Diagnosis Guidelines\"\n  url: \"https://catvets.com/guidelines\"\n  retrieved: \"2026-08-11\"\n  ref: \"2022 AAFP/EveryCat Feline Infectious Peritonitis Diagnosis Guidelines\"\n  doc_type: \"guideline\"\n  needs_review: false\nlicense: paraphrase\n---\n\nThe `2022 AAFP/EveryCat Feline Infectious Peritonitis Diagnosis Guidelines` (published in the `Journal of Feline Medicine and Surgery`) aim to give veterinarians the information needed to reach an `FIP diagnosis` in cats. FIP is described as `a viral disease that can affect any organ in the body`, caused by the `feline coronavirus (FCoV)`, and as `fatal when untreated`.\n\nBecause FIP is often hard to confirm, diagnosis is framed as building `an index of suspicion of FIP brick by brick`: it `relies upon evidence from signalment, history, physical examination findings, and diagnostic testing` rather than any single test. The guidelines compile detailed pathogenesis, diagnostic-testing considerations, clinical images, tables, and a supplemental library of videos and a printable health questionnaire.\n\nPet-food relevance is limited, but FIP and its differential list (including `Feline infectious peritonitis` among the disease fact sheets) intersect with the infectious-disease and retrovirus topics in this category. Written in paraphrase mode (AAFP/SAGE copyrighted); exact guideline title, the FCoV causation statement, and the diagnostic-evidence wording are anchored verbatim.\n\n## Claims (verified C1 substrings of source_file — paraphrase mode)\n- `2022 AAFP/EveryCat Feline Infectious Peritonitis Diagnosis Guidelines`\n- `Feline infectious peritonitis (FIP) is a viral disease that can affect any organ in the body, and it is caused by the feline coronavirus (FCoV)`\n- `diagnosis relies upon evidence from signalment, history, physical examination findings, and diagnostic testing`\n- `FIP is fatal when untreated`\n- `index of suspicion of FIP brick by brick`\n","sources":["WSAVA Animal Welfare Guidelines 2018 — 2022 AAFP/EveryCat Feline Infectious Peritonitis Diagnosis Guidelines (retrieved 2026-08-11)"],"source":{"authority":"WSAVA Animal Welfare Guidelines 2018","title":"2022 AAFP/EveryCat Feline Infectious Peritonitis Diagnosis Guidelines","url":"https://catvets.com/guidelines","retrieved":"2026-08-11","ref":"","doc_type":"official PDF","source_document":"2022 AAFP/EveryCat Feline Infectious Peritonitis Diagnosis Guidelines (Journal of Feline Medicine and Surgery)","verification_file":"pdf-raw/companion-practical/aafp_fip_diagnosis_2026-08-11.txt"},"source_document":"2022 AAFP/EveryCat Feline Infectious Peritonitis Diagnosis Guidelines (Journal of Feline Medicine and Surgery)","source_file":"pdf-raw/companion-practical/aafp_fip_diagnosis_2026-08-11.txt","trust":{"authority_tier":"ungraded","fidelity":"paraphrase","license":"paraphrase","display_grade":"pending"},"tokens_estimated":280,"generated_at":null,"tip":"Use /api/v1/topics to discover more topics. /api/v1/nutrient for precise single-point queries. /api/v1/cross_compare for 2-3 standard comparisons."}