Schedule HC-CS: Health Care Information Continuation Sheet (2025)
Massachusetts · Massachusetts DOR · Used for tax years 2025
Massachusetts Schedule HC-CS is the 2025 Health Care Information Continuation Sheet for Schedule HC. It reports additional health insurance company or administrator names and subscriber numbers for you and your spouse.
Who files this form
Complete Schedule HC-CS for tax year 2025 if both of these apply:
- You fill in the Full-Year MCC or Part-Year MCC oval(s) on Schedule HC, line 3.
- You had more than two private health insurance companies.
Report your two most recent health insurance companies on Schedule HC, lines 4f and/or 4g. Use Schedule HC-CS to report additional insurance companies.
What you'll need
Have these documents and details ready:
- Form MA 1099-HC for your additional insurance companies. Use box 1 for the company or administrator name and the form's subscriber number.
- Your health insurance card if you were not issued Form MA 1099-HC. Use the identification number on the card.
- Your name and Social Security number.
- Your spouse's insurance information for Part B, even if you share the same insurance plan.
Common mistakes
- Do not put your two most recent insurance companies on the continuation sheet. The form says to report them on Schedule HC, lines 4f and/or 4g.
- Do not skip Part B for your spouse just because you share the same insurance plan. The form says you must complete it even when covered under the same plan.
- If you were not issued Form MA 1099-HC, enter the identification number from your health insurance card in the subscriber number field.
Questions people ask
Which insurance companies go on Schedule HC-CS?
The sheet provides spaces for your third and fourth insurance companies or administrators, as needed. Your two most recent companies belong on Schedule HC, lines 4f and/or 4g.
Where do I find the insurance company name?
Use the company or administrator name from box 1 of Form MA 1099-HC.
What if I was not issued Form MA 1099-HC?
Enter the identification number from your health insurance card in the subscriber number field.
Do I need to complete the spouse section if we have the same plan?
Yes. Part B says you must complete it even if your spouse is covered under the same insurance plan.