K0900 — Customized durable medical equipment, other than wheelchair
K0900 is a HCPCS Level II code for customized durable medical equipment, other than wheelchair. It belongs to the Durable Medical Equipment (DME MAC Temporary) section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
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.
Medically Unlikely Edits — units per day
The most units of K0900 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- outpatient
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- DME supplier
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Equipment
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for K0900
- Long descriptor
- Customized durable medical equipment, other than wheelchair
- Short descriptor
- Cstm dme other than wheelchr
- Added
- July 1, 2013
- BETOS
- D1E
- Pricing indicator
- 45 — DMEPOS
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.
Customized DME items.
Codes adjacent to K0900
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If K0900 is not quite right, the correct code is very often within a few positions of it.
- K0880Power wheelchair, group 4 very heavy duty, single power option, sling/solid seat/back, patient weight 451 to 600 pounds
- K0884Power wheelchair, group 4 standard, multiple power option, sling/solid seat/back, patient weight capacity up to and including 300 pounds
- K0885Power wheelchair, group 4 standard, multiple power option, captains chair, patient weight capacity up to and including 300 pounds
- K0886Power wheelchair, group 4 heavy duty, multiple power option, sling/solid seat/back, patient weight capacity 301 to 450 pounds
- K0890Power wheelchair, group 5 pediatric, single power option, sling/solid seat/back, patient weight capacity up to and including 125 pounds
- K0891Power wheelchair, group 5 pediatric, multiple power option, sling/solid seat/back, patient weight capacity up to and including 125 pounds
- K0898Power wheelchair, not otherwise classified
- K0899Power mobility device, not coded by dme pdac or does not meet criteria
- K0901Knee orthosis (ko), single upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated, off-the-shelfterminated
- K0902Knee orthosis (ko), double upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated, off-the-shelfterminated
- K0903For diabetics only, multiple density insert, made by direct carving with cam technology from a rectified cad model created from a digitized scan of the patient, total contact with patient's foot, including arch, base layer minimum of 3/16 inch material of shore a 35 durometer (or higher), includes arch filler and other shaping material, custom fabricated, eachterminated
- K1001Electronic positional obstructive sleep apnea treatment, with sensor, includes all components and accessories, any typeterminated
- K1002Cranial electrotherapy stimulation (ces) system, any typeterminated
- K1003Whirlpool tub, walk-in, portableterminated
- K1004Low frequency ultrasonic diathermy treatment device for home use
- K1005Disposable collection and storage bag for breast milk, any size, any type, eachterminated
Questions about K0900
What is HCPCS code K0900?
K0900 is a HCPCS Level II code for customized durable medical equipment, other than wheelchair. It sits in the Durable Medical Equipment (DME MAC Temporary) section.
Does Medicare cover K0900?
The CMS HCPCS file marks K0900 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.