Medicare Surcharge Threshold For 2024. For families, and single parent families the threshold increases by $1,500 for each. Within the 1 st irmaa income threshold, the surcharge will only increase by about 5.70% while the highest income threshold for irmaa will increase by over 6.00%.
In 2024, the threshold is $103,000 for a single individual. Once you determine your income for medicare levy surcharge (mls) purposes, you can use the mls income threshold tables below to work out which mls rate applies to you.