What "MHLW-Recognized" or "Regulatory Plan Number" Actually Means in Japan

"MHLW-recognized" isn't an official certification a clinic receives — it's shorthand patients use for a specific legal process: filing a regenerative medicine provision plan that's reviewed by a certified regenerative medicine committee under Japan's Act on the Safety of Regenerative Medicine, administered through the Ministry of Health, Labour and Welfare (MHLW).

What the law actually requires

Japan's Act on the Safety of Regenerative Medicine classifies regenerative treatments into three risk-based categories — Category I, II, and III — based on the level of risk involved. Each category requires the provider to submit a regenerative medicine provision plan, reviewed by a certified regenerative medicine committee, before treatment can begin. Autologous adipose-derived stem cell infusion is one of the treatment types regulated under this law, subject to committee review before treatment begins; the receiving licensed physician or medical institution confirms which category applies to a specific case. Our Safety & Regulation overview covers this framework in full.

What a "regulatory plan number" actually certifies

A regulatory plan number is the acceptance number issued once a provider's specific provision plan has been reviewed and accepted. It certifies that a specific treatment plan, submitted by a specific provider, was reviewed under this process — it does not certify a guaranteed outcome, and it isn't a general license to practice medicine separate from a physician's own qualifications. Understanding what the number does and doesn't certify is useful regardless of which clinic you're evaluating.

Why StemCellor does not state its own plan number

StemCellor is a medical coordination service, not the treatment provider — regulatory filings under this law are associated with the treating medical institution, not with StemCellor itself. Rather than asserting a status we cannot independently confirm, we describe the regulatory framework a treatment operates under in general terms, and the receiving licensed physician or medical institution confirms their own specific filing and category as part of your case review.

What to actually ask about a plan number

Provision plans accepted under this law become part of a public regulatory record, though the specific way to look one up varies and isn't something we're able to describe precisely enough here to be useful — the more practical step is to ask a clinic directly for their specific category and acceptance number, and treat a vague or evasive answer as worth following up on. A clinic describing its status honestly, including describing a pending filing as pending, is behaving the same way we aim to here. Our International Patient Guide covers other questions worth asking before choosing a clinic.

Frequently asked questions

Is "MHLW-recognized" a specific certification with a logo or seal?

No — it's shorthand for having gone through the provision-plan review process under Japan's Act on the Safety of Regenerative Medicine. There's no separate certification badge distinct from that filing itself.

Does a regulatory plan number guarantee a treatment works?

No. It certifies that a specific provision plan was reviewed and accepted under the law's process — it does not guarantee any treatment outcome.

Does StemCellor have a confirmed regulatory plan number yet?

StemCellor does not itself hold a regenerative medicine provision plan acceptance number — that filing belongs to the treating medical institution, not to StemCellor as a coordination service. Ask the receiving physician or institution directly for their specific category and filing status; a clear, non-evasive answer is a reasonable thing to expect.

What determines which regulatory category applies to a treatment?

Japan's Act on the Safety of Regenerative Medicine assigns treatments to Category I, II, or III based on risk level; the specific category for a given treatment is determined by the treating medical institution's own filing, confirmed by a certified regenerative medicine committee. StemCellor does not itself hold this classification — the receiving licensed physician or medical institution confirms it as part of your case review.

What should I do if a clinic won't share its plan number or category?

Treat that as worth following up on directly. This is a reasonable, verifiable question for any clinic, and our own answer is on our Safety & Regulation overview and FAQ page.

References

"Act on the Safety of Regenerative Medicine" (Act No. 85 of 2013, as amended), official English translation, Japanese Law Translation Database System, Ministry of Justice, Japan.