In contrast to the other models, an ICD-9-CM migraine did not independently predict ICD-10-CM PTH (aOR = 1.00, 95% CI: 0.85–1.17), whereas ICD-10-CM migraine was highly comorbid with ICD-10-CM PTH (aOR = 3.79, 95% CI: 3.33–4.32). The gene discussed is PTH; the disease is migraine disorder.