To assess demographic and clinical predictors of outpatient mental health clinic follow-up after inpatient psychiatric hospitalization among Medicaid-enrolled young adults. Using logistic regression and administrative claims data from the Maryland public mental health system and Maryland Medicaid for young adults ages 18–26 who were enrolled in Medicaid (N = 1127), the likelihood of outpatient mental health follow-up within 30 days after inpatient psychiatric hospitalization was estimated .