本文件规定了用于微生物组DNA检测的人类样本（如粪便、唾液、皮肤和泌尿生殖道样本）的检查前阶段的要求，并给出了建议。预检查阶段包括但不限于样本收集、处理、运输、储存、处理、DNA分离和记录。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies requirements and gives recommendations for the pre-examination phase of human specimens, such as stool, saliva, skin and urogenital specimens, intended for microbiome DNA examination. The pre-examination phase includes but is not limited to specimen collection, handling, transport, storage, processing, isolation of DNA, and documentation.All current amendments available at time of purchase are included with the purchase of this document.