What is the abbreviation commonly used to indicate the time period two hours after a meal?

The abbreviation that is commonly used to indicate the time period two hours after a meal is "2hr PC," with "PC" standing for "post cibum," a Latin term that translates to "after meals." In medical contexts, this abbreviation is used to specify the timing of doses or assessments that occur after a patient has eaten, thus providing important information related to digestion and medication absorption.

Other options like "2hr AM" and "2hr PM" refer to specific times of the day rather than post-meal timing. "2hr H" might imply two hours following an event, but it does not clearly convey the meal context. Therefore, "2hr PC" is the most precise and appropriate notation to indicate the desired timeframe in relation to meals.