21 CFR Part 1271 — Regulatory Topic Map

For the complete regulatory framework and classification criteria, refer to: 21 CFR Part 1271 Regulatory Framework .

This page provides a structured navigation map for regulatory topics governing Human Cells, Tissues, and Cellular and Tissue-Based Products (HCT/Ps).

It is designed to support topic-level exploration rather than serve as a primary regulatory explanation.

For a simplified conceptual introduction: 21 CFR Part 1271 Key Concepts Guide.

Regulatory Classification

• Section 361 vs Section 351
• Section 361 Criteria Overview

Core Regulatory Criteria

• Minimal Manipulation
• Homologous Use
• Structural vs Cellular Tissue

Donor and Processing Standards

• Donor Eligibility
• Donor Screening & Traceability
• Current Good Tissue Practice (cGTP)

Regulatory Structure

• Subparts A–D
• FDA Enforcement Overview

Next Step — Structured Evaluation

A complete understanding of regulatory topics requires structured evaluation across classification criteria and documentation standards.

View Regulatory Evaluation Pathway →