In the Abhidhamma, karmic results are treated not as vague cosmic rewards or punishments, but as precisely defined results (vipāka) arising from intentional actions (kamma). Kamma is rooted in volition (cetanā), supported by other mental factors (cetasikas), and classified as wholesome (kusala), unwholesome (akusala), or neutral/functional (abyākata). These intentional acts generate kammic potential that, when conditions are suitable, gives rise to corresponding resultant phenomena. The Abhidhamma consistently distinguishes the active, volitional phase of kamma from the passive, resultant phase of vipāka, emphasizing that they are different kinds of mental events.

The fruition of kamma is analyzed in terms of consciousness (citta) and its associated factors. Resultant consciousness (vipākacitta) is said to arise automatically as the outcome of past kamma, manifesting as various experiences through the six sense doors and as rebirth-linking consciousness and life-continuum states. These vipāka cittas are neither wholesome nor unwholesome in themselves; they are the morally indeterminate fruits of previously accumulated wholesome or unwholesome intentions. In this way, pleasant and painful experiences, as well as the very fact of rebirth in particular realms, are understood as the unfolding of past kamma within a stream of momentary mental events.

The Abhidhamma also pays close attention to the timing and opportunity for karmic fruition. Kamma is grouped according to when it can bear fruit: some results are experienced in this very life (diṭṭhadhammavedanīya), some in the next life (upapajjavedanīya), and some in more remote future lives (aparāpariyavedanīya). There is also kamma that never finds the necessary conditions to ripen and thus becomes inoperative (ahosi kamma). This temporal analysis underscores that not all actions ripen immediately, and that the moral texture of experience at any given moment is the complex outcome of many past deeds.

Underlying this entire account is a sophisticated doctrine of conditionality. The Abhidhamma describes twenty-four types of conditions (paccayas), among which kamma functions as a specific kind of condition (kamma-paccaya) for resultant mental and material phenomena. Fruition occurs only when karmic conditions converge with other supporting factors, such as appropriate objects and circumstances. Within this framework, there is no enduring self that owns or receives the results; rather, there is a causally ordered continuum of mental and physical events in which wholesome and unwholesome roots—greed, hatred, delusion and their opposites—shape the quality of experience as they mature into vipāka.