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Mesoblast's Ryoncil Gains Permanent CMS J-Code for Billing and Reimbursement

By Maham Fatima | October 16, 2025, 4:33 PM

Mesoblast Limited (NASDAQ:MESO) is one of the best hot stocks to invest in. On October 3, Mesoblast Limited announced that its product Ryoncil (remestemcel-L-rknd) was assigned a specific Healthcare Common Procedure Coding System/HCPCS J-Code by the US Medicare & Medicaid Services/CMS. The new permanent J-Code, J3402, became active for billing and reimbursement on October 1.

The formal recognition by CMS is a commercial milestone as it provides a standardized, clear, and permanent billing pathway for Ryoncil, facilitating reimbursement by Medicare, Medicaid, and commercial payers, thus enabling broader patient access to the therapy. Ryoncil is the first mesenchymal stromal cell/MSC product approved by the US FDA for any indication.

Mesoblast's Ryoncil Gains Permanent CMS J-Code for Billing and Reimbursement

It is the only product approved for children under age 12 (specifically, pediatric patients 2 months and older) with steroid-refractory acute graft-versus-host disease/SR-aGvHD. Mesoblast develops allogeneic (off-the-shelf) cellular medicines for severe inflammatory conditions. The company’s proprietary mesenchymal lineage cell therapy technology platform works by having its cell therapies release anti-inflammatory factors that modulate the immune system to reduce damaging inflammatory processes.

Mesoblast Limited (NASDAQ:MESO), together with its subsidiaries, develops regenerative medicine products in Australia, the US, Singapore, and Switzerland. The company’s proprietary regenerative medicine technology platform is based on specialized cells known as mesenchymal lineage cells.

While we acknowledge the potential of MESO as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you’re looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

READ NEXT: 30 Stocks That Should Double in 3 Years and 11 Hidden AI Stocks to Buy Right Now.

Disclosure: None. This article is originally published at Insider Monkey.

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