Inj, fosdenopterin, 0.1mg
Products billed under this code include Nulibry.
Payment limit per 0.1 MG, by effective quarter, 4Q25 to 4Q26. Gaps mean the code was not in that quarter’s file, or CMS gave no payment limit.Products billed under J1809
From the 4Q26 NDC–HCPCS crosswalk. “Limit / pkg” is the 4Q26 payment limit times the billing units in one package.
| Product | Labeler | NDC | Units / pkg | Limit / pkg |
|---|---|---|---|---|
| Nulibry | Sentynl Therapeutics, Inc. | 42358-0295-01 | 95 | $1,684.92 |
Every quarter
| Quarter | Payment limit | Change | Billing unit | Description | Source file |
|---|---|---|---|---|---|
| 4Q26 | $17.736 | $0.00 | 0.1 MG | Inj, fosdenopterin, 0.1mg | v1, posted September 17, 2026 |
| 3Q26 | $17.736 | +$0.148 | 0.1 MG | Inj, fosdenopterin, 0.1mg | v1, posted September 15, 2026 |
| 2Q26 | $17.588 | +$0.35 | 0.1 MG | Inj, fosdenopterin, 0.1mg | v1, posted September 15, 2026 |
| 1Q26 | $17.238 | +$0.267 | 0.1 MG | Inj, fosdenopterin, 0.1mg | v1, posted September 15, 2026 |
| 4Q25 | $16.971 | – | 0.1 MG | Inj, fosdenopterin, 0.1mg | v1, posted September 8, 2026 |
“Change” is the difference from the previous quarter, shown only when both quarters have a payment limit and the billing unit is the same. “vs. last quarter” and “vs. a year ago” follow the same rule.
CMS source files
- 4Q26: 2026-09-17_october-2026-medicare-part-b-payment-limit-files-final.zipposted September 17, 2026
- 4Q26: 2026-09-17_october-2026-ndc-hcpcs-crosswalk-final.zipposted September 17, 2026
- 3Q26: 2026-09-15_july-2026-medicare-part-b-payment-limit-files.zipposted September 15, 2026
- 2Q26: 2026-09-15_april-2026-medicare-part-b-payment-limit-files-final-file.zipposted September 15, 2026
- 1Q26: 2026-09-15_january-2026-medicare-part-b-payment-limit-files.zipposted September 15, 2026
- 4Q25: 2026-09-08_october-2025-asp-pricing-final-file.zipposted September 8, 2026