you may need to amend. based on the taxpayer's age, there's a limit on how much in LTC premiums can be deducted. if the deduction was less than the maximum, then no amendment is required. if it was more and you itemized your deductions you may need to amend to report the lower amount that is deductible.
from schedule A instructions
The amount you can deduct for qualified long-term care insurance contracts (as defined in Pub. 502) depends on the age, at the end of 2021, of the person for whom the premiums were paid. See the following chart for details.
IF the person was at the end of 2021 age then the most you can deduct is . . .
40 or under $ 450
41–50 $ 850
51–60 $ 1,690
61–70 $ 4,520
71 or older $ 5,640
