Spine Impairment

Spine Impairment Calculator is a professional reference tool for calculating permanent impairment of the spine under the AMA Guides to the Evaluation of Permanent Impairment, 5th Edition (Chapter 15), with an optional overlay for the Queensland GEPI 2nd Edition. Built for orthopaedic surgeons, occupational physicians and medico-legal assessors, it covers both AMA methods and shows its working at every stage, including the jurisdiction-correct rule for each region. METHODS COVERED • Diagnosis-Related Estimates (DRE) — cervical, thoracic and lumbar (Tables 15-3 / 15-4 / 15-5), with ADL adjustment (GEPI §4.35) • Range of Motion (ROM) method — inclinometer-based, with diagnosis (Table 15-7) and spinal nerve deficits (§15.8d) • Corticospinal tract impairment (Table 15-6, sub-tables a–g) • Surgery modifiers (GEPI Table 4.2) • Pelvis JURISDICTION MODES • AMA 5 · International — AMA Guides 5th Edition (DRE and ROM) • Queensland — DRE method only, with the GEPI 2nd Edition overrides Queensland uses the DRE method exclusively (GEPI §4.1); the selected basis is recorded on every report. TRANSPARENT AND DETERMINISTIC • Per-region and whole-person totals update live • Within a region the highest impairment governs; regions combine via the Combined Values Chart (§4.32) • The full step-by-step derivation can be exported as a report PRIVATE BY DESIGN All calculations run on your device. No account, no sign-in, and no data leaves your phone. IMPORTANT This app is a calculation aid intended for use by registered health practitioners. It does not diagnose, provide medical advice, or replace professional assessment. All values should be verified against the source tables, and the examining clinician is responsible for the final assessment.