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U.S. Department of Health and Human Services

For Industry

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Units of Measure

UCUM Name Unified Code for Units of Measure (UCUM)
1* 1
ALLERGY UNITS [AU]
Amb a 1 units [Amb'a'1'U]
BIOEQUIVALENT ALLERGY UNITS [BAU]
CELL CULTURE INFECTIOUS DOSE 50% [CCID_50]
COLONY FORMING UNITS [CFU]
CURIE Ci
DAY d
D-ANTIGEN UNITS [D'ag'U]
FOCUS-FORMING UNITS [FFU]
GRAM g
HOMEOPATHIC POTENCY OF CENTESIMAL SERIES [hp_C]
HOMEOPATHIC POTENCY OF CENTESIMAL KORSAKOVIAN SERIES {kp_C}
HOMEOPATHIC POTENCY OF MILLESIMAL SERIES [hp_M]
HOMEOPATHIC POTENCY OF QUINTAMILLESIMAL SERIES [hp_Q]
HOMEOPATHIC POTENCY OF DECIMAL SERIES [hp_X]
HOUR h
INTERNATIONAL UNITS [iU]
KILOGRAM kg
LIMIT OF FLOCCULATION [Lf]
LITER L
MICROCURIE uCi
MICROGRAM ug
MICROLITER uL
MICROMOLE umol
MICRON um
MILLICURIE mCi
MILLIEQUIVALENT meq
MILLIGRAM mg
MILLILITER mL
MILLIMETER mm
MILLIMOLE mmol
MINUTE min
MOLE mol
MONTH mo
NANOGRAM ng
NANOMOLE nmol
PLAQUE-FORMING UNITS [PFU]
PROTEIN NITROGEN UNITS [PNU]
SECOND s
SQUARE CENTIMETER cm2
TISSUE CULTURE INFECTIOUS DOSE 50% [TCID_50]
UNIT - CATALYTIC ACTIVITY U
UNITED STATES PHARMACOPEIA UNIT [USP'U]
WEEK wk
YEAR a

 

*Note:  UCUM unit is "1" for units of presentation

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