PCAB accreditation
Compounded vs FDA-approved, 503A vs 503B, and the accreditation programs that distinguish them.
Definition
Pharmacy Compounding Accreditation Board certification, administered by ACHC. A voluntary third-party quality program covering sterility, potency verification, and facility standards. Required for some 503B outsourcing facilities.
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Definition curated by Weight Loss Rankings — sourced from FDA labels and peer-reviewed PubMed literature, never AI-generated summaries.
PCAB accreditation in plain English
PCAB accreditation is a voluntary quality credential for compounding pharmacies, run by the Accreditation Commission for Health Care. A pharmacy applies, submits to a documented standards review and an on-site survey, and is re-surveyed periodically. Nobody makes them do it, which is precisely why it carries information.
The reason it matters is the regulatory gap underneath it. FDA states that drugs compounded by a licensed pharmacist in a state-licensed pharmacy under section 503A are not subject to current good manufacturing practice requirements, and that day-to-day oversight of those pharmacies sits primarily with state boards rather than FDA. Standards therefore vary from state to state and pharmacy to pharmacy. Accreditation is one of the few signals a patient can check that speaks to what happens inside the clean room.
What it is not is a guarantee. Accreditation says a pharmacy met a set of standards at survey time; it does not test the vial in your hand, and it does not convert a compounded drug into an approved one. FDA is explicit that compounded drugs are not FDA-approved and that the agency does not verify their safety, effectiveness or quality before marketing. An accredited pharmacy can still ship a product that arrives warm.
The confusion worth naming is how the credential gets used in marketing. A telehealth company may advertise that it “works with accredited pharmacies” without naming which pharmacy fills your specific prescription — and the pharmacy that fills it can change between refills. The claim is only as good as the name attached to it.
So ask for the name of the pharmacy on your label, look it up rather than taking the website’s word, and ask whether it is a 503A pharmacy or a 503B outsourcing facility, since the two face different federal standards. Our pharmacy legitimacy lookup and accreditation investigation show how often the marketing and the label disagree.
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