A6559 HCPCS code: Gradient compression stocking, full length/chap style, 18-30 mmhg, custom, each
A6559 is the HCPCS Level II code for gradient compression stocking, full length/chap style, 18-30 mmhg, custom, each. In 2024 Medicare paid an average of $340.31 per service for A6559 across 56 services. 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, 18 suppliers billed Medicare for A6559 (purchases), serving 22 beneficiaries.
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 |
Who bills A6559 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 18 |
| Referring clinicians | 23 |
| Medicare beneficiaries | 22 |
| States with claims | 0 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for A6559, 2024–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2024 | 56 | 22 | $434.07 | $340.31 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 6 | CMS Policy |
What changed for A6559
- 2024-01-01: A6559 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 A6559?
A6559 is the HCPCS Level II code for gradient compression stocking, full length/chap style, 18-30 mmhg, custom, each. Short descriptor: "G stckng full/chap18-30 cust".
How much does Medicare pay for A6559?
In 2024, the average Medicare payment was $340.31 per service (average allowed $434.07).
Does Medicare cover A6559?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of A6559 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 A6559
- Watch A6559 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A6559
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; 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.