SPL UCUM Terminology PQ/CMC Units of Measure Terminology HL7 FHIR v5.0.0 R5 Unit of Measure Terminology Potency Unit FDA Structured Product Labeling Terminology Unit of Biological Entity UCUM Terminology HL7 Unit of Measure Terminology Colony Forming Unit Potency (C-DRG-00501) C68742 COLONY FORMING UNITS [CFU] UCUM Colony_Forming_Unit colony forming units FDA Colony Forming Unit Quantitative Concept HL7 The minimum number of separable cells which is able to produce a detectable colony of progeny. Examples of CFU usage include, but are not limited to, the measurement of the number of viable bacteria present in the environment, and the ability of stem cells to produce cells of single or multiple lineages. Colony Forming Unit C0553561 CFU colony forming unit