T1021 — Home health aide or certified nurse assistant, per visit
T1021 is a HCPCS Level II code for home health aide or certified nurse assistant, per visit. 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 T1021
- Long descriptor
- Home health aide or certified nurse assistant, per visit
- Short descriptor
- Hh aide or cn aide per visit
- Added
- July 1, 2002
- 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 T1021
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If T1021 is not quite right, the correct code is very often within a few positions of it.
- T1013Sign language or oral interpretive services, per 15 minutes
- T1014Telehealth transmission, per minute, professional services bill separately
- T1015Clinic visit/encounter, all-inclusive
- T1016Case management, each 15 minutes
- T1017Targeted case management, each 15 minutes
- T1018School-based individualized education program (iep) services, bundled
- T1019Personal care services, per 15 minutes, not for an inpatient or resident of a hospital, nursing facility, icf/mr or imd, part of the individualized plan of treatment (code may not be used to identify services provided by home health aide or certified nurse assistant)
- T1020Personal care services, per diem, not for an inpatient or resident of a hospital, nursing facility, icf/mr or imd, part of the individualized plan of treatment (code may not be used to identify services provided by home health aide or certified nurse assistant)
- T1022Contracted home health agency services, all services provided under contract, per day
- T1023Screening to determine the appropriateness of consideration of an individual for participation in a specified program, project or treatment protocol, per encounter
- T1024Evaluation and treatment by an integrated, specialty team contracted to provide coordinated care to multiple or severely handicapped children, per encounter
- T1025Intensive, extended multidisciplinary services provided in a clinic setting to children with complex medical, physical, mental and psychosocial impairments, per diem
- T1026Intensive, extended multidisciplinary services provided in a clinic setting to children with complex medical, physical, mental and psychosocial impairments, per hour
- T1027Family training and counseling for child development, per 15 minutes
- T1028Assessment of home, physical and family environment, to determine suitability to meet patient's medical needs
- T1029Comprehensive environmental lead investigation, not including laboratory analysis, per dwelling
Questions about T1021
What is HCPCS code T1021?
T1021 is a HCPCS Level II code for home health aide or certified nurse assistant, per visit. It sits in the National Codes for State Medicaid Agencies section.
Does Medicare cover T1021?
The CMS HCPCS file marks T1021 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 T1021 paid under the physician fee schedule?
T1021 carries PFS status code I. Not valid for Medicare purposes. Medicare uses another code.