K1021 — Exsufflation belt, includes all supplies and accessories
K1021 is a HCPCS Level II code for exsufflation belt, includes all supplies and accessories. It belongs to the Durable Medical Equipment (DME MAC Temporary) section. It was terminated on December 31, 2023 and is not valid on new claims.
This code has been terminated
CMS terminated K1021 on December 31, 2023. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
Medicare coverage: Non-covered by statute
Excluded from coverage by the Social Security Act itself, not by a policy decision. No documentation and no appeal changes this one — an ABN is the relevant conversation.
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.
The CMS record for K1021
- Long descriptor
- Exsufflation belt, includes all supplies and accessories
- Short descriptor
- Exsuff belt incl all sup acc
- Added
- October 1, 2021
- Terminated
- December 31, 2023
- 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.
When CMS retired it.
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 K1021
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If K1021 is not quite right, the correct code is very often within a few positions of it.
- K1013Enema tube, with or without adapter, any type, replacement only, eachterminated
- K1014Addition, endoskeletal knee-shin system, 4 bar linkage or multiaxial, fluid swing and stance phase controlterminated
- K1015Foot, adductus positioning device, adjustableterminated
- K1016Transcutaneous electrical nerve stimulator for electrical stimulation of the trigeminal nerveterminated
- K1017Monthly supplies for use of device coded at k1016terminated
- K1018External upper limb tremor stimulator of the peripheral nerves of the wristterminated
- K1019Supplies and accessories for external upper limb tremor stimulator of the peripheral nerves of the wristterminated
- K1020Non-invasive vagus nerve stimulatorterminated
- K1022Addition to lower extremity prosthesis, endoskeletal, knee disarticulation, above knee, hip disarticulation, positional rotation unit, any typeterminated
- K1023Distal transcutaneous electrical nerve stimulator, stimulates peripheral nerves of the upper armterminated
- K1024Non-pneumatic compression controller with sequential calibrated gradient pressureterminated
- K1025Non-pneumatic sequential compression garment, full armterminated
- K1026Mechanical allergen particle barrier/inhalation filter, cream, nasal, topicalterminated
- K1027Oral device/appliance used to reduce upper airway collapsibility, without fixed mechanical hinge, custom fabricated, includes fitting and adjustment
- K1028Power source and control electronics unit for oral device/appliance for neuromuscular electrical stimulation of the tongue muscle, controlled by phone applicationterminated
- K1029Oral device/appliance for neuromuscular electrical stimulation of the tongue muscle, used in conjunction with the power source and control electronics unit, controlled by phone application, 90-day supplyterminated
Questions about K1021
What is HCPCS code K1021?
K1021 is a HCPCS Level II code for exsufflation belt, includes all supplies and accessories. It sits in the Durable Medical Equipment (DME MAC Temporary) section.
Does Medicare cover K1021?
The CMS HCPCS file marks K1021 as "Non-covered by statute". Excluded from coverage by the Social Security Act itself, not by a policy decision. No documentation and no appeal changes this one — an ABN is the relevant conversation.
Is K1021 still valid?
No. K1021 was terminated on December 31, 2023 and should not be used on new claims.