A6555 HCPCS code: Gradient compression stocking, below knee, 40 mmhg or greater, custom, each
A6555 is the HCPCS Level II code for gradient compression stocking, below knee, 40 mmhg or greater, custom, each. The 2026 Medicare DMEPOS fee schedule pays $226.38 depending on the state. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 6 per day on DME suppliers. In 2024, 76 suppliers billed Medicare for A6555 (purchases), serving 301 beneficiaries; New York, Ohio, California accounted for 35% of services. Its average fee ranks 37 of 63 A65 codes (family range $0.18–$1,274.45).
Code details
| Field | Value |
|---|---|
| Section | A codes — Transportation, medical/surgical supplies and miscellaneous |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 40 — DMEPOS: lymphedema compression treatment item |
| BETOS category | O1L |
| Added | 2024-01-01 |
| Last action effective | 2024-01-01 |
2026 Medicare DMEPOS fee schedule for A6555
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| — | base fee | $226.38 | $226.38 | — | — |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | — | $226.38 | — |
| AL | — | $226.38 | — |
| AR | — | $226.38 | — |
| AZ | — | $226.38 | — |
| CA | — | $226.38 | — |
| CO | — | $226.38 | — |
| CT | — | $226.38 | — |
| DC | — | $226.38 | — |
| DE | — | $226.38 | — |
| FL | — | $226.38 | — |
| GA | — | $226.38 | — |
| HI | — | $226.38 | — |
| IA | — | $226.38 | — |
| ID | — | $226.38 | — |
| IL | — | $226.38 | — |
| IN | — | $226.38 | — |
| KS | — | $226.38 | — |
| KY | — | $226.38 | — |
| LA | — | $226.38 | — |
| MA | — | $226.38 | — |
| MD | — | $226.38 | — |
| ME | — | $226.38 | — |
| MI | — | $226.38 | — |
| MN | — | $226.38 | — |
| MO | — | $226.38 | — |
| MS | — | $226.38 | — |
| MT | — | $226.38 | — |
| NC | — | $226.38 | — |
| ND | — | $226.38 | — |
| NE | — | $226.38 | — |
| NH | — | $226.38 | — |
| NJ | — | $226.38 | — |
| NM | — | $226.38 | — |
| NV | — | $226.38 | — |
| NY | — | $226.38 | — |
| OH | — | $226.38 | — |
| OK | — | $226.38 | — |
| OR | — | $226.38 | — |
| PA | — | $226.38 | — |
| PR | — | $226.38 | — |
| RI | — | $226.38 | — |
| SC | — | $226.38 | — |
| SD | — | $226.38 | — |
| TN | — | $226.38 | — |
| TX | — | $226.38 | — |
| UT | — | $226.38 | — |
| VA | — | $226.38 | — |
| VI | — | $226.38 | — |
| VT | — | $226.38 | — |
| WA | — | $226.38 | — |
| WI | — | $226.38 | — |
| WV | — | $226.38 | — |
| WY | — | $226.38 | — |
How the A6555 fee compares
| Measure | Value |
|---|---|
| Rank among 63 A65 codes (lowest = 1) | 37 |
| Family fee range (average of state fees) | $0.18–$1,274.45 |
| Rural fee uplift | — |
Who bills A6555 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 76 |
| Referring clinicians | 274 |
| Medicare beneficiaries | 301 |
| States with claims | 15 |
| Share of services in top 3 states (New York, Ohio, California) | 35% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for A6555, 2024–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2024 | 1,145 | 301 | $213.94 | $167.43 |
States with the most A6555 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| New York | 115 | $167.79 |
| Ohio | 103 | $167.78 |
| California | 73 | $167.78 |
| Washington | 68 | $167.79 |
| Indiana | 65 | $167.79 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 6 | CMS Policy |
What changed for A6555
- 2026-01-01: Average state fee rose 2.7%: $220.43 to $226.38
- 2024-01-01: A6555 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code A6555?
A6555 is the HCPCS Level II code for gradient compression stocking, below knee, 40 mmhg or greater, custom, each. Short descriptor: "G com stcking bk 40+ custm".
How much does Medicare pay for A6555?
Under the 2026 DMEPOS fee schedule, non-rural state fees are base (base fee): $226.38. Rural fees can be higher.
Does Medicare cover A6555?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Did the Medicare fee for A6555 change in 2026?
The average non-rural state fee moved from $220.43 in 2025 to $226.38 in 2026 (+2.7%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of A6555 can be billed per day?
6 on DME suppliers (NCCI medically unlikely edits).
Related A65 codes
- A6501 — Compression burn garment, bodysuit (head to foot), custom fabricated
- A6502 — Compression burn garment, chin strap, custom fabricated
- A6503 — Compression burn garment, facial hood, custom fabricated
- A6504 — Compression burn garment, glove to wrist, custom fabricated
- A6505 — Compression burn garment, glove to elbow, custom fabricated
- A6506 — Compression burn garment, glove to axilla, custom fabricated
- A6507 — Compression burn garment, foot to knee length, custom fabricated
- A6508 — Compression burn garment, foot to thigh length, custom fabricated
- A6509 — Compression burn garment, upper trunk to waist including arm openings (vest), custom fabricated
- A6510 — Compression burn garment, trunk, including arms down to leg openings (leotard), custom fabricated
- A6511 — Compression burn garment, lower trunk including leg openings (panty), custom fabricated
- A6512 — Compression burn garment, not otherwise classified
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under A6555
- Watch A6555 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A6555
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule 2026; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.