HCPCS A6593 is officially defined as "Accessory for gradient compression garment or wrap with adjustable straps, not-otherwise specified." HCPCS A6593 is referenced in 4 tracked payer policy changes from CareSource and Aetna. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for HCPCS A6593 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.
CareSource is implementing enhanced claims editing for lymphedema compression treatment items (HCPCS codes A6520-A6610) effective May 4, 2026. Billing teams must ensure appropriate lymphedema diagnosis codes are used and apply right side (RT) or left side (LT) modifiers for bilateral claims, as the payer will now enforce stricter validation on these claims.
CareSource is enhancing claims editing for lymphedema compression treatment items (HCPCS codes A6520-A6610) effective February 24, 2026. Billing teams must now include appropriate lymphedema diagnoses and use RT (right side) or LT (left side) modifiers to indicate treatment laterality for bilateral claims.
Beginning January 15, 2026, CareSource will enhance claims editing for lymphedema compression treatment items (HCPCS codes A6520-A6610) to require appropriate lymphedema diagnosis codes and mandatory RT/LT modifiers to indicate treatment side (right or left). Bilateral billing is now permitted with proper modifier usage.
Aetna considers inflatable compression garments, non-elastic binders and pre-made medical grade (greater than 18 mm Hg) compression stockings medically necessary for listed conditions, including complications of chronic venous insufficiency, lymphedema, post-thrombotic syndrome, edema following surgery, fracture, burns or other trauma, and prevention of thrombosis in immobilized persons. Individually fitted (custom-made) medical grade stockings are medically necessary only for members who have tried and failed a 3-month trial of pre-made medical grade stockings, except for members with venous ulcers or lymphedema. Silver impregnated compression stockings are considered not medically necessary, and compression garments for the legs are considered experimental, investigational or unproven for listed indications such as Parkinson disease, delayed-onset muscle soreness and Long COVID autonomic dysfunction.
Watch A6593
Get one email when a payer policy names A6593, a payer adds or drops it from a prior auth list, or Medicare changes its NCCI pairs, unit limit, payment or coverage articles.
See every payer rule for A6593
Prior authorization lists, coverage criteria, NCCI edits and Medicare coverage articles for A6593 in one place.
Get alerts for changes like this
Save a search and get email alerts when a new policy change matches your filters: daily or weekly, your choice, on every plan.