Procurement comparison
Dual-Layer vs. Single-Layer Amniotic Grafts: Cost & Application Frequency
Dual-layer constructs combine amnion and chorion to deliver higher growth factor concentration. Single-layer amnion is lower-cost per unit but typically requires more applications per episode. This guide compares episode cost rather than unit cost.
| Attribute | Single-layer | Dual-layer |
|---|---|---|
| Construction | Amnion only | Amnion + chorion |
| Growth factor preservation | Standard | Higher |
| Typical applications / 12 wks | 8–12 | 5–7 |
| Unit price | $ | $$ |
| Per-episode cost (typical) | Comparable | Comparable to slightly higher |
Growth factor density
Dual-layer (amnion + chorion) products preserve a higher concentration of PDGF, TGF-β, EGF, and other growth factors than single-layer amnion alone. Clinical implication: dual-layer often supports longer intervals between applications.
Application frequency
Published protocols and LCD-aligned use commonly call for weekly applications of single-layer amnion and every-1–2-week intervals for dual-layer products. Over an 8–12 week episode, application count differences drive episode cost more than unit price.
Reimbursement
Both formats are Q-coded with similar ASP+6% Medicare reimbursement structure. Watch for code-specific frequency limits in your MAC LCD; some payers cap covered applications per episode regardless of format.
Bottom line for procurement
Standardize on dual-layer for hard-to-heal DFU and VLU cases where reducing visit count matters; reserve single-layer for sites with frequent visit capacity or specific LCD constraints.
Last updated: 2026-06-28