This resource is primarily used for the identification and definition of a medication, including ingredients, for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use. This resource is primarily used for the identification and definition of a medication, including ingredients, for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use. If the element is present, it must have either a @value, an @id, or extensions Business identifier for this medication. A code (or set of codes) that specify this medication, or a textual description if no code is available. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems. A code to indicate if the medication is in active use. The company or other legal entity that has authorization, from the appropriate drug regulatory authority, to market a medicine in one or more jurisdictions. Typically abbreviated MAH.Note: The MAH may manufacture the product and may also contract the manufacturing of the product to one or more companies (organizations). Describes the form of the item. Powder; tablets; capsule. When the specified product code does not infer a package size, this is the specific amount of drug in the product. For example, when specifying a product that has the same strength (For example, Insulin glargine 100 unit per mL solution for injection), this attribute provides additional clarification of the package amount (For example, 3 mL, 10mL, etc.). Identifies a particular constituent of interest in the product. Information that only applies to packages (not products). A reference to a knowledge resource that provides more information about this medication. This resource is primarily used for the identification and definition of a medication, including ingredients, for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use. The ingredient (substance or medication) that the ingredient.strength relates to. This is represented as a concept from a code system or described in another resource (Substance or Medication). Indication of whether this ingredient affects the therapeutic action of the drug. Specifies how many (or how much) of the items there are in this Medication. For example, 250 mg per tablet. This is expressed as a ratio where the numerator is 250mg and the denominator is 1 tablet but can also be expressed a quantity when the denominator is assumed to be 1 tablet. This resource is primarily used for the identification and definition of a medication, including ingredients, for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use. The assigned lot number of a batch of the specified product. When this specific batch of product will expire. Active Inactive Entered in Error If the element is present, it must have either a @value, an @id, or extensions