| HIC3 | HIC3 Description |
| Z1A | HISTAMINE PREPARATIONS |
| Z1B | METHYL DONOR AGENTS |
| Z1C | SEROTONIN AND DERIVATIVES |
| Z1D | ENZYME REPLACEMENTS (UBIQUITOUS ENZYMES) |
| Z1E | ANTIOXIDANT AGENTS |
| Z1F | IMMUNE SYSTEM CELL GROUPS |
| Z1G | DRUGS TO TX GAUCHER DX-TYPE 1, SUBSTRATE REDUCING |
| Z1H | METABOLIC DISEASE ENZYME REPLACEMENT, FABRY'S DX |
| Z1I | METABOLIC DISEASE ENZYME REPLACEMENT, GAUCHER'S DX |
| Z1J | METABOLIC DX ENZYME REPLACEMENT, MUCOPOLYSACCHARDOSIS |
| Z1K | METABOLIC DX ENZYME REPLACEMENT, SEV COMB. IMMUNE DEF. |
| Z1L | METABOLIC DISEASE ENZYME REPLACEMENT, POMPE DISEASE |
| Z2A | ANTIHISTAMINES |
| Z2B | ANTIHISTAMINES (CONTINUED 1) |
| Z2C | ANTISEROTONIN DRUGS |
| Z2D | HISTAMINE H2-RECEPTOR INHIBITORS |
| Z2E | IMMUNOSUPPRESSIVES |
| Z2F | MAST CELL STABILIZERS |
| Z2G | IMMUNOMODULATORS |
| Z2H | SYSTEMIC ENZYME INHIBITORS |
| Z2I | ANTIHISTAMINES (CONTINUED 2) |
| Z2J | SYSTEMIC ENZYME CATALYZERS |
| Z2K | SEROTONIN (5HT-4) PARTIAL AGONIST AGENTS |
| Z2M | IMMUNOSUPP - MONOCLONAL AB INHIBITING T LYMPH FXN |
| Z2N | 1ST GEN ANTIHISTAMINE & DECONGESTANT COMBINATIONS |
| Z2O | 2ND GEN ANTIHISTAMINE & DECONGESTANT COMBINATIONS |
| Z2P | ANTIHISTAMINES - 1ST GENERATION |
| Z2Q | ANTIHISTAMINES - 2ND GENERATION |
| Z2R | LEUKOCYTE ADHESION INHIB,ALPHA4-MEDIAT IGG4K MC AB |
| Z2S | IMMUNOMODULATORS (CONTINUED 1) |
| Z2T | HISTAMINE H2-RECEPTOR INHIBITORS/DIETARY SUPPLEMENT COMBINATION |
| Z2U | MONOCLONAL ANTIBODY-HUMAN INTERLEUKIN 12/23 INHIBITOR |
| Z2V | INTERLEUKIN-6 (IL-6) RECEPTOR INHIBITORS |
| Z2W | ANTI-CD20 (B LYMPHOCYTE) MONOCLONAL ANTIBODY |
| Z2X | PHOSPHODIESTERASE-4 (PDE4) INHIBITORS |
| Z3G | MISCELLANEOUS AGENTS |
| Z4A | PROSTAGLANDINS |
| Z4B | LEUKOTRIENE RECEPTOR ANTAGONISTS |
| Z4C | THROMBOXANE A2 INHIBITORS |
| Z4D | PROSTACYCLINS |
| Z4E | 5-LIPOXYGENASE INHIBITORS |
| Z4F | DP1 RECEPTOR ANTAGONISTS |
| Z5A | ADJUV. KITS FOR THE PREP. OF RADIOPHARMACEUTICALS |
| Z5B | RADIOPHARMACEUTICALS ELEMENTS |
| Z5C | ADJUVANTS IN RADIOPHARMACEUTICAL THERAPY |
| Z5D | RADIOACTIVE DIAGNOSTICS, GENERAL |
| Z5E | RADIOACTIVE METABOLIC FUNCTION DIAGNOSTICS |
| Z6A | INSULIN-LIKE GROWTH FACTOR BINDING PROTEINS |
| Z8B | PORPHYRINS AND PORPHYRIN DERIVATIVE AGENTS |
| Z9A | UNCLASSIFIED DRUGS |
| Z9B | UNCLASSIFIED DRUGS (CONTINUED 1) |
| Z9D | DIAGNOSTIC PREPARATIONS,MISCELLANEOUS |
| Z9C | DIAGNOSTIC PREPARATIONS,MISCELLANEOUS (CONTINUED 1) |
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