Your hospital open-enrollment packet lists a dependent care flexible spending account next to the health FSA, and the two are easy to confuse. The health FSA pays for deductibles and copays. The dependent care FSA (DCFSA) pays for the daycare, preschool, and after-school care that let both of you keep working while your children are young. For a two-attending household paying full-freight childcare, the DCFSA is one of the few pre-tax accounts whose value actually rises with your . It is also the one benefit limit that Congress left frozen for roughly forty years, then changed for 2026. This article works out whether electing it is worth your time, at your income, under the rules actually in force.
The limit doubled for 2026, and it is finally indexed
For decades the DCFSA exclusion under Internal Revenue Code Section 129 was capped at $5,000 per household ($2,500 if married filing separately), and unlike almost every other benefit limit, it was never adjusted for inflation. Public Law 119-21, enacted in 2025, changed that. For plan years beginning in 2026 the exclusion rises to $7,500 per household, $3,750 if you file married filing separately, and the figure is now indexed for inflation going forward. This is the first increase in nearly four decades.
Two cautions before you count on the higher number. First, your employer's plan must actually adopt the $7,500 figure. The statute permits it; it does not force any given Section 125 cafeteria plan to raise its cap. Read your summary plan description or ask benefits directly what your plan allows for 2026. Second, Section 129 carries a nondiscrimination test. Benefits paid to highly compensated employees are limited so that the average benefit for non-highly-compensated staff stays at or above 55 percent of the average for the highly compensated group. A "highly compensated employee" for 2026 generally means one who earned more than $160,000 in 2025. As an attending you almost certainly clear that line, which means a hospital or group plan that skews heavily toward high earners can fail the test and retroactively cut your allowed election below $7,500. Large hospital systems with many lower-paid staff usually pass; a small physician-owned practice may not.
Important
Do not assume the $7,500 cap applies to you until you confirm two things in writing: that your specific plan adopted the higher limit for 2026, and that your plan is not projected to fail Section 129 nondiscrimination testing. A failed test can reclassify part of your election as taxable wages after the fact.
Why the FSA beats the tax credit at your income
There are two federal ways to get a tax break on childcare: the DCFSA exclusion under Section 129, and the Child and Dependent Care Credit under Section 21. You cannot apply both to the same dollar of expense. For most families the credit is the better-known option. For attendings it is almost always the weaker one.
The DCFSA works by removing money from your wages before tax. Every dollar you route through it escapes your federal marginal rate, your state income tax, and the Medicare portion of payroll tax. At an attending's marginal bracket that combined rate is high. The Section 21 credit, by contrast, is a percentage of a capped expense, and Public Law 119-21 rewrote that percentage schedule effective for tax years beginning after December 31, 2025. For 2026 the credit starts at 50 percent for the lowest incomes, falls to a 35 percent floor as adjusted gross income rises above $15,000, and then steps down further to a 20 percent floor for adjusted gross income above $75,000 (single) or $150,000 (married filing jointly). The eligible expense is capped at $3,000 for one qualifying child and $6,000 for two or more.
A two-physician household lands at the 20 percent floor and stays there. So the comparison is a roughly 38-to-41 percent pre-tax exclusion against a 20 percent credit on a smaller base. The exclusion wins, and it is not close.
Example calculation
Assumptions, stated explicitly: married filing jointly, two young children in full-time daycare, combined federal marginal rate 35%, state income tax 5%, both spouses' wages already above the 2026 Social Security wage base of $184,500 (so no Social Security tax is saved on the top dollars), Medicare rate 1.45%. DCFSA election of $7,500.
Federal tax avoided: $7,500 x 35% = $2,625 State tax avoided: $7,500 x 5% = $375 Medicare tax avoided: $7,500 x 1.45% = $108.75 Total DCFSA saving: $2,625 + $375 + $108.75 = $3,108.75
Section 21 credit if you took it instead, two children: expense cap $6,000, applicable percentage 20%. $6,000 x 20% = $1,200 credit.
The DCFSA saves roughly $3,109; the credit saves $1,200. The gap is about $1,909 in your favor, before considering that you cannot use both on the same dollars.
Note the wrinkle in the Social Security line. If either spouse earns less than the $184,500 wage base, DCFSA dollars also escape the 6.2 percent Social Security tax, adding up to $465 more in savings. Most established attendings sit above the base, so model it off if you are unsure. Either way, the exclusion leads.
There is one narrow case where the credit still earns you something. If you have two or more children and elect less than the $6,000 credit cap through the DCFSA, the leftover expense can feed the credit. Elect $5,000, spend $11,000, and $1,000 of expense remains for a $200 credit. Elect the full $7,500, and nothing is left for two children because $7,500 already exceeds the $6,000 credit base. The math still favors the larger exclusion, but it is worth knowing the interaction exists. Coordinating this against your other pre-tax accounts is exactly the kind of decision covered in the household money systems guide.
What actually qualifies, and what does not
The DCFSA reimburses care that lets you work, not education and not enrichment. IRS Publication 503 (2025 edition) draws the lines, and they trip up new attendings often.
| Expense | Qualifies for DCFSA |
|---|---|
| Licensed daycare center or in-home daycare | Yes |
| Preschool / nursery school (below kindergarten) | Yes |
| Before-school and after-school care | Yes |
| Day camp during summer | Yes |
| Nanny or au pair wages (care portion) | Yes |
| Overnight (sleepaway) camp | No |
| Kindergarten tuition and any higher grade | No |
| Private school tuition, grades and up | No |
| Care while you are not working (date night, errands) | No |
The kindergarten line surprises people. Once a child is in kindergarten, the tuition is treated as education, not care, so it does not qualify. Before-care and after-care around the kindergarten day still qualify because that is custodial supervision, not schooling. Preschool the year before, fully custodial, qualifies in full. And day camp counts while overnight camp never does, regardless of how educational the brochure sounds.
Key insight
The DCFSA is built on a work test, not a spending test. Both spouses must have earned income during the same period the care is provided. If one of you takes an unpaid stretch of parental leave, care during that stretch is generally not reimbursable, because during those weeks you are not working to enable the care.
The both-must-work rule, and the two exceptions that save it
Because the account exists to enable employment, the reimbursable amount is limited to the lower of the two spouses' earned income. For two working attendings this ceiling is irrelevant; you both clear $7,500 easily. It matters during transitions: a spouse who leaves clinical work, or who is between jobs for part of the year, can shrink the earned-income floor below your election and strand money in the account.
Two statutory exceptions deem a non-earning spouse to have income anyway. A spouse who is a full-time student, or a spouse who is physically or mentally incapable of self-care, is treated as earning $250 per month with one qualifying child and $500 per month with two or more. So a household where one spouse is a full-time student, common when a partner is finishing a degree while the other attends, still qualifies up to those deemed amounts. Two attendings, one of whom drops to part-time or takes a research fellowship stipend, should check that the lower earner's actual earned income still exceeds the election.
Use it or lose it, and how to size the election
The DCFSA is a use-it-or-lose-it account. You commit to an annual election at open enrollment, the money is withheld evenly across the year, and you forfeit anything you do not incur qualifying expenses against. Some plans offer a grace period of up to two and a half months into the following year to incur expenses, and some offer nothing; the DCFSA does not permit the $660 health-FSA-style carryover. Confirm which mechanic your plan uses before you elect.
Because forfeiture is real, size the election to spending you are certain of. A two-attending household spending well over $20,000 a year on daycare can safely elect the full $7,500, because there is no realistic path to underspending. The forfeiture risk lives at the margin, in the year a child ages out of paid care, or the year you switch to a school schedule mid-year.
Quick takeaway
Elect against the floor of what you will certainly spend, not the ceiling of what you might. For a household in full-time paid childcare all year, the full $7,500 is safe. In a transition year, elect conservatively, because unspent dollars are forfeited, not refunded.
Mid-year, your election is generally locked. You can change it only on a qualifying life or care event. The most common ones for young families are a change in your childcare arrangement or cost, a change in a child's care needs (starting or stopping care), a change in either spouse's employment status affecting eligibility, and the standard family events of marriage, divorce, birth, or adoption. If your nanny quits in April and you move to a cheaper center, that is a permitted change; adjust the election rather than overfund an account you will not exhaust. If your care cost jumps because a center raises rates, that too can support an increase up to the annual cap. The rules for coordinating these changes across a two-earner return are laid out in the married-filing physicians tax guide.
The nanny question changes the arithmetic
If your care is a nanny rather than a center, the DCFSA still reimburses the care portion of the wages, but you have stepped into being a household employer, with its own payroll taxes, a W-2 obligation, and overtime rules that most physicians underestimate. The pre-tax saving from the DCFSA is real, but it sits on top of employer costs that a daycare invoice does not carry. The full comparison, including who owes what and how the DCFSA interacts with employing a nanny, is worked through in the daycare-versus-nanny math, and the broader question of coordinating two physician incomes is in two-physician household optimization.
Common questions
Should I elect the DCFSA or take the tax credit?
At attending income, elect the DCFSA. The exclusion escapes your marginal rate, your state tax, and Medicare tax, which together run near 40 percent, while the Child and Dependent Care Credit floors out at 20 percent for your income. You cannot use both on the same expense, so route your first $7,500 through the FSA and only look at the credit for leftover expense if you have two or more children and elected below the credit cap.
My spouse is a full-time student. Do we still qualify?
Yes, within limits. A full-time-student spouse is deemed to earn $250 per month with one qualifying child or $500 per month with two or more, so your reimbursable amount is capped at that deemed income rather than zero. Confirm the enrollment meets the full-time definition for at least five months of the year.
What happens to money I do not spend?
You forfeit it, unless your plan offers a grace period of up to two and a half months to incur additional qualifying expenses. The DCFSA does not allow the small carryover that health FSAs permit. This is why you size the election to certain spending.
Does the $7,500 limit definitely apply to me?
Not automatically. The statute raised the cap to $7,500 for 2026, but your employer's plan must adopt it, and Section 129 nondiscrimination testing can reduce a high earner's allowed election if the plan skews toward highly compensated staff. Verify both with your benefits office in writing.
What to do next
- Pull your summary plan description or email benefits to confirm two facts for 2026: the maximum DCFSA election your plan allows, and whether the plan expects to pass Section 129 nondiscrimination testing.
- Estimate your certain annual qualifying spend from this year's actual daycare, preschool, or after-care invoices, excluding anything at the kindergarten level or above.
- Set your election to the lower of $7,500 and your certain spend, leaving no realistic path to forfeiture.
- If you have two or more children and elect below $6,000, note the leftover expense that can still feed the Section 21 credit, and plan to claim it at filing.
- If your care is a nanny, price the household-employer obligations before comparing, using the daycare-versus-nanny analysis.
- Calendar your mid-year change triggers, so a caregiver switch or a cost change prompts an election adjustment rather than a forfeiture.
The account is one of the cleaner pre-tax wins available to a two-income physician household, precisely because its value scales with the marginal rate you are trying to reduce. The protocol above works with or without us. This is education, not individualized financial advice.