The United States Pharmacopoeia, USP <788> is a standard for determining the count and size of undissolved particles in injection solutions. It applies to particles ≥ 10 and ≥ 25 µm in size.
Types of Injections:
Large Volume Parenteral/Injection (LVP/LVJ): > 100 mL
Small Volume Parenteral/Injection (SVP/SVJ): < 100 mL
USP <788> provides two methods for detecting particulates in large volume parenteral (LVP) and small volume parenteral (SVP):
Method 1 – Light Obscuration: commonly used method
Method 2 – Microscopic Particle Count: used if Method 1 exceeds limits.
USP 788 Limits
USP <788> places limits on the amount of subvisible particles allowed in injections. These limits are harmonized with the European Pharmacopoeia (EP) and Japanese Pharmacopoeia (JP).
The USP <788> limits are specific to the types of injections and the methods used for detection.
Method 1 (e.g., Beckman® HAIC)
Method 2 (e.g., Halo Labs Aura®)
Particle equivalent diameter
≥ 10 µm
≥ 25 µm
≥ 10 µm
≥ 25 µm
Container > 100 mL
≤ 25 per mL
≤ 3 per mL
≤ 12 per mL
≤ 2 per mL
Container ≤ 100 mL
≤ 6,000 per container
≤ 600 per container
≤ 3,000 per container
≤ 300 per container
Why USP 788 Matters
Particulate matter, often too small to see with naked eye, can pose risks to patient safety and product shelf life.
Ensuring injectable drugs meet USP <788> requirements is crucial to minimize these risks.
C&G Containers’ Compliance:
C&G Containers offers various container types and sizes compliant with USP <788>.
Common applications include pharmaceutical, biotech, medical, and semi-conductor industries.
Typical certifications include Certificate of Process or Certificate of Analysis.
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