A. The department of health services may charge fees for:
1. Rental of films and film strips.
2. Laboratory tests.
B. The amount of the fees charged for such services shall not exceed the cost to the department of rendering them, and all fees shall be deposited, pursuant to sections 35-146 and 35-147, at least once each month in the state general fund. No rental or laboratory fee shall be charged to or collected from a county, city, town, school, school district or any political subdivision thereof.