Ancillary, outpatient costs driving commercial premium increases.
D000553:Ambulatory Care / Q000191:economics*; D002140:California; D016527:Drug Costs / Q000639:trends; D005249:Fees and Charges / Q000639:trends*; D017048:Health Care Costs / Q000639:trends*; D005102:Health Expenditures / Q000639:trends; D008329:Managed Care Programs / Q000191:economics* / Q000458:organization & administration