HSN Code 3001 refers to "Dried glands and other organs for organo-therapeutic uses, whether or not powdered; extracts of glands or other organs or their secretions, for organo-therapeutic uses; heparin and its salts; other human or animal substances prepared for therapeutic or prophylactic uses, n.e.s." This classification code is essential for identifying therapeutic products and related items for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 3001 include dried adrenal glands, powdered thyroid extracts, heparin sodium, and various organ extracts used in medical treatments. Additionally, the GST rate for these organo-therapeutic substances under this code ensures accurate trade compliance.