This practice provides a superbill for you to submit to your insurance company for potential reimbursement.
The following link is a toolkit for insurance coverage for lactation expenses from the National Women’s Law Center:
http://www.nwlc.org/sites/default/files/pdfs/final_nwlcbreastfeedingtoolkit2014_edit.pdf
The following link is an article from the website Best for Babes, describing how insurance companies must comply with the ACA for lactation coverage:
Insurers No Longer Allowed to Deny Coverage
More helpful links:
New Report Reveals Violations of Affordable Care Act’s Breastfeeding Benefits