T4542 — Incontinence product, disposable underpad, small size, each
T4542 is a HCPCS Level II code for incontinence product, disposable underpad, small size, each. It belongs to the National Codes for State Medicaid Agencies 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 T4542
- Long descriptor
- Incontinence product, disposable underpad, small size, each
- Short descriptor
- Small disposable underpad
- Added
- January 1, 2005
- 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 T4542
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If T4542 is not quite right, the correct code is very often within a few positions of it.
- T4534Youth sized disposable incontinence product, protective underwear/pull-on, each
- T4535Disposable liner/shield/guard/pad/undergarment, for incontinence, each
- T4536Incontinence product, protective underwear/pull-on, reusable, any size, each
- T4537Incontinence product, protective underpad, reusable, bed size, each
- T4538Diaper service, reusable diaper, each diaper
- T4539Incontinence product, diaper/brief, reusable, any size, each
- T4540Incontinence product, protective underpad, reusable, chair size, each
- T4541Incontinence product, disposable underpad, large, each
- T4543Adult sized disposable incontinence product, protective brief/diaper, above extra large, each
- T4544Adult sized disposable incontinence product, protective underwear/pull-on, above extra large, each
- T4545Incontinence product, disposable, penile wrap, each
- T5001Positioning seat for persons with special orthopedic needs
- T5999Supply, not otherwise specified
- U0001Cdc 2019 novel coronavirus (2019-ncov) real-time rt-pcr diagnostic panel
- U00022019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc
- U0003Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-rterminated
Questions about T4542
What is HCPCS code T4542?
T4542 is a HCPCS Level II code for incontinence product, disposable underpad, small size, each. It sits in the National Codes for State Medicaid Agencies section.
Does Medicare cover T4542?
The CMS HCPCS file marks T4542 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 T4542 paid under the physician fee schedule?
T4542 carries PFS status code I. Not valid for Medicare purposes. Medicare uses another code.