{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "name": "Pre-existing back issues, slipped at work in West Valley—will they pay?",
  "description": "Yes for aggravation; medical proof essential.",
  "url": "https://justworkcomplaw.com//faq/general-pre-existing-back-issues-slipped-at-work-in-west-valley-will-they-pay-61",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "Pre-existing back issues, slipped at work in West Valley—will they pay?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Yes for aggravation; medical proof essential.",
        "description": "**Yes, if work aggravated it; comp covers worsening.** Insurers must prove unrelated.[1][4] Key factors: Doctor opinion key. Compare pre/post MRIs. No need to prove 100% caused. Partial credit given. Attorney battles 'pre-existing' denials."
      }
    }
  ]
}