Yes, this is a business expense you can claim on you Schedule A. Make sure you have records of your expenses and verification you were assigned to work away from home.
To enter in TuboTax,
Go to Deductions & Credits
Employment Expenses
Job Expenses of W-2 Income
For more information about what business expenses you can claim on your tax return, follow these links:
https://www.irs.gov/taxtopics/tc511
https://www.irs.gov/credits-deductions/individuals/business-travel-expenses
