Intensive Outpatient Treatment (also known as IOP for Intensive Outpatient Program) is a primary treatment program recommended in some circumstances by a clinical and medical assessment. IOP may be recommended for those who do not need medically-supervised detox.
The genitive is the case (or function) of an inflected form of a noun or pronoun showing ownership, measurement, association, or source. Adjective: genitival. The suffix -'s on nouns is a marker of genitive case in English. Genitive case can also be indicated by an of phrase after a noun.
1. (Grammar) denoting a case of nouns, pronouns, and adjectives in inflected languages used to indicate a relation of ownership or association, usually translated by English of. n. 2. (Grammar). a. the genitive case. b. a word or speech element in this case.