S5100 — Day care services, adult; per 15 minutes
S5100 is a HCPCS Level II code for day care services, adult; per 15 minutes. It belongs to the Temporary National Codes (Non-Medicare) section. Medicare does not pay it — see the coverage note below before you bill it.
Medicare coverage: Not payable by Medicare
Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusI
Not valid for Medicare purposes. Medicare uses another code.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for S5100
- Long descriptor
- Day care services, adult; per 15 minutes
- Short descriptor
- Adult daycare services 15min
- Added
- January 1, 2003
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to S5100
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If S5100 is not quite right, the correct code is very often within a few positions of it.
- S5001Prescription drug, brand name
- S50105% dextrose and 0.45% normal saline, 1000 ml
- S50115% dextrose in lactated ringer's, 1000 mlterminated
- S50125% dextrose with potassium chloride, 1000 ml
- S50135% dextrose/0.45% normal saline with potassium chloride and magnesium sulfate, 1000 ml
- S50145% dextrose/0.45% normal saline with potassium chloride and magnesium sulfate, 1500 ml
- S5035Home infusion therapy, routine service of infusion device (e.g., pump maintenance)
- S5036Home infusion therapy, repair of infusion device (e.g., pump repair)
- S5101Day care services, adult; per half day
- S5102Day care services, adult; per diem
- S5105Day care services, center-based; services not included in program fee, per diem
- S5108Home care training to home care client, per 15 minutes
- S5109Home care training to home care client, per session
- S5110Home care training, family; per 15 minutes
- S5111Home care training, family; per session
- S5115Home care training, non-family; per 15 minutes
Questions about S5100
What is HCPCS code S5100?
S5100 is a HCPCS Level II code for day care services, adult; per 15 minutes. It sits in the Temporary National Codes (Non-Medicare) section.
Does Medicare cover S5100?
The CMS HCPCS file marks S5100 as "Not payable by Medicare". Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.
How is S5100 paid under the physician fee schedule?
S5100 carries PFS status code I. Not valid for Medicare purposes. Medicare uses another code.