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U.S. Department of Health and Human Services

For Industry

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Units of Measure

UCUM NameUnified Code for Units of Measure (UCUM)
1*1
ALLERGY UNITS[AU]
Amb a 1 units[Amb'a'1'U]
BIOEQUIVALENT ALLERGY UNITS[BAU]
ARBITRARY UNITS[arb'U]
CELL CULTURE INFECTIOUS DOSE 50%[CCID_50]
COLONY FORMING UNITS[CFU]
CURIECi
DAYd
D-ANTIGEN UNITS[D'ag'U]
DECILITERdL
FOCUS-FORMING UNITS[FFU]
GRAMg
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]
HOURh
INTERNATIONAL UNITS[iU]
KILOGRAMkg
LIMIT OF FLOCCULATION[Lf]
LITERL
MICROCURIEuCi
MICROGRAMug
MICROLITERuL
MICROMOLEumol
MICRONum
MILLICURIEmCi
MILLIEQUIVALENTmeq
MILLIGRAMmg
MILLILITERmL
MILLIMETERmm
MILLIMOLEmmol
MINUTEmin
MOLEmol
MONTHmo
NANOGRAMng
NANOMOLEnmol
PLAQUE-FORMING UNITS[PFU]
PROTEIN NITROGEN UNITS[PNU]
SECONDs
SQUARE CENTIMETERcm2
TISSUE CULTURE INFECTIOUS DOSE 50%[TCID_50]
UNIT - CATALYTIC ACTIVITYU
UNITED STATES PHARMACOPEIA UNIT[USP'U]
WEEKwk
YEARa

 

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