Table 1.

Sources of Unit Prices

Healthcare Resource	Unit Price	Source
Emergency department visit	$473.82/Visit	State Emergency Department. Databases (2013). Agency for Healthcare Research and Quality (AHRQ) Healthcare Cost & Utilization Project. Weighted average of mean hospital costs associated with International Classification of Diseases, Ninth Revision (ICD9) 346.x.
Inpatient hospitalization	$6155.42/Hospitalization	National Inpatient Statistics (2009). Agency for Healthcare Research and Quality (AHRQ) Healthcare Cost & Utilization Project. Weighted average of mean hospital costs associated with ICD9 346.7-346.73. Inflated to 2013 US$ using the medical care consumer price index.
Urgent care visit	$130.28/Visit	2013 Medicare Physician Fee Schedule (MPFS) reimbursement, without geographic adjustment, for Current Procedural Terminology (CPT) 99214 (office or other outpatient visit for an established patient requiring a detailed history and examination of at least 25 minutes). Divided by 0.82 to estimate commercial reimbursements from Medicare reimbursements (per Medicare Payment Advisory Commission Report).
OnabotulinumtoxinA drug	$5.25/Unit	Redbook wholesale acquisition cost.
OnabotulinumtoxinA administration	$175.51/Administration	2013 MPFS reimbursement, without geographic adjustment, for CPT 64615 (chemodenervation of muscle[s]; muscle[s] innervated by facial, trigeminal, cervical spinal and accessory nerves, bilateral [eg, for chronic migraine]). Divided by 0.82 to estimate commercial reimbursements from Medicare reimbursements (per Medicare Payment Advisory Commission Report).