USP 797 and 800 Compounding Room Layout: Furniture Requirements for Hospital Pharmacies

USP <797> (sterile compounding) and USP <800> (hazardous drug handling) set strict requirements for pharmacy compounding spaces — and the furniture inside them. From cleanroom-grade casework in the buffer room to negative-pressure containment in HD areas, the right furniture is essential for compliance. Here’s what hospital pharmacy directors and facility planners need to know.

USP <797> Room Layout

USP <797> defines three areas for sterile compounding:

Area	Purpose	Furniture Requirements
Ante-Room	Gowning, handwashing, staging	Garbing bench/hooks, hands-free sink, supply pass-through, gowning mirror
Buffer Room	Sterile compounding under PEC	Cleanroom-grade casework, PEC (laminar flow or BSC), stainless steel shelving
SCA (Segregated Compounding Area)	Low-risk compounding only	ISO 5 PEC with surrounding ISO 7 environment, basic casework

Buffer Room Furniture

• Cleanroom casework: Stainless steel or powder-coated steel with smooth, sealed surfaces. No particle-shedding materials (no wood, no unsealed MDF).
• Minimal furniture footprint: Less furniture = fewer surfaces to shed particles. Only what’s essential should be inside the buffer room.
• Stainless steel shelving: Wire or solid shelving for IV bags, syringes, and supplies — must be cleanable and non-particle-generating.
• No sinks in the buffer room — water creates contamination risk. Sinks belong in the ante-room.
• Task chairs: Cleanroom-rated, non-fabric, non-particle-shedding chairs only.

USP <800> Hazardous Drug Requirements

USP <800> adds requirements for handling hazardous drugs (chemotherapy, certain hormones, antineoplastics):

Negative-Pressure Room

• HD compounding must occur in a negative-pressure room relative to surrounding areas
• Minimum 12 air changes per hour (ACPH), externally exhausted
• Room must have a line of demarcation at the entrance
• Class II Type B2 biosafety cabinet (100% exhaust) or CACI (containment ventilated enclosure)

HD Storage Furniture

• Hazardous drugs stored separately from non-hazardous drugs
• HD storage area should be negative-pressure or externally ventilated
• Closed-system containers and spill kits at every HD storage and handling location
• Dedicated refrigerator for HD drugs (not shared with non-HD)

Furniture Material Selection

Material	Buffer Room	Ante-Room	HD Room
Stainless Steel 304/316	✅ Best choice	✅ Excellent	✅ Best choice
Powder-Coated Steel	✅ Acceptable	✅ Excellent	✅ Acceptable
Epoxy Resin (countertops)	✅ Good	✅ Good	✅ Good
Laminate/Wood	❌ Not allowed	⚠️ Limited use only	❌ Not allowed

Common Compliance Gaps

1. Sink in the buffer room — move it to the ante-room
2. Fabric chairs inside compounding area — replace with cleanroom-rated models
3. Unsealed casework seams — caulk all joints and penetrations
4. HD drugs stored with non-HD — add dedicated HD shelving or cabinet
5. No spill kit at HD handling areas — mount kits on the casework within arm’s reach

Planning a Compounding Suite?

Labs USA designs and furnishes hospital pharmacy compounding rooms with cleanroom-grade casework, stainless steel shelving, and proper PEC positioning. Free layout design included. Call 800-724-8037 or request a consultation.