2026 ICD-10-CM Drugs and Chemicals: Substances Starting with "I"
The 2026 Table of Drugs and Chemicals provides a comprehensive classification of substances including drugs, industrial solvents, corrosive gases, toxic plants, pesticides, and other potentially harmful agents. Each entry is assigned a code based on the nature of the poisoning and the external cause of the adverse effect.
Use as many codes as necessary to fully describe all reported drugs, medicinal products, or chemical substances involved.
You can browse the Table of Drugs and Chemicals alphabetically. The table below displays all substances beginning with the letter " I."
- I-thyroxine sodium
- Ibacitabine
- Ibopamine
- Ibufenac
- Ibuprofen
- Ibuproxam
- Ibuterol
- Ichthammol
- Ichthyol
- Idarubicin
- Idrocilamide
- Ifenprodil
- Ifosfamide
- Iletin
- Ilex
- Illuminating gas (after combustion)
- Illuminating gas (after combustion) »prior to co
- Ilopan
- Iloprost
- Ilotycin
- Ilotycin »ophthalmic preparation
- Ilotycin »topical NEC
- Imidazole-4-carboxamide
- Iminostilbene
- Imipenem
- Imipramine
- Immu-tetanus
- Immuglobin
- Immune
- Immune »checkpoint inhibitors
- Immune »globulin
- Immune »serum globulin
- Immunoglobin human (intravenous) (normal)
- Immunoglobin human (intravenous) (normal) »unmod
- Immunostimulant drug
- Immunosuppressive drug
- Indalpine
- Indanazoline
- Indandione (derivatives)
- Indapamide
- Indendione (derivatives)
- Indenolol
- Inderal
- Indian
- Indian »hemp
- Indian »tobacco
- Indigo carmine
- Indobufen
- Indocin
- Indocyanine green
- Indometacin
- Indomethacin
- Indomethacin »farnesil
- Indoramin
- Industrial
- Industrial »alcohol
- Industrial »fumes
- Industrial »solvents (fumes) (vapors)
- Influenza vaccine
- Ingested substance NEC
- INH
- Inhibitor
- Inhibitor »angiotensin-converting enzyme
- Inhibitor »carbonic anhydrase
- Inhibitor »fibrinolysis
- Inhibitor »monoamine oxidase NEC
- Inhibitor »monoamine oxidase NEC
- Inhibitor »postsynaptic
- Inhibitor »prothrombin synthesis
- Ink
- Inorganic substance NEC
- Inosine pranobex
- Inositol
- Inositol »nicotinate
- Inproquone
- Insect (sting), venomous
- Insect (sting), venomous »ant
- Insect (sting), venomous »bee
- Insect (sting), venomous »caterpillar
- Insect (sting), venomous »hornet
- Insect (sting), venomous »wasp
- Insecticide NEC
- Insecticide NEC »carbamate
- Insecticide NEC »chlorinated
- Insecticide NEC »mixed
- Insecticide NEC »organochlorine
- Insecticide NEC »organophosphorus
- Insular tissue extract
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Insulin (amorphous) (globin) (isophane) (Lente) (NPH) (Semil
- Interferon (alpha) (beta) (gamma)
- Intestinal motility control drug
- Intestinal motility control drug »biological
- Intranarcon
- Intravenous
- Intravenous »amino acids
- Intravenous »fat suspension
- Inulin
- Invert sugar
- Iobenzamic acid
- Iocarmic acid
- Iocetamic acid
- Iodamide
- Iodide NEC [See Also: Iodine]
- Iodide NEC [See Also: Iodine] »mercury (ointment
- Iodide NEC [See Also: Iodine] »methylate
- Iodide NEC [See Also: Iodine] »potassium (expect
- Iodinated
- Iodinated »contrast medium
- Iodinated »glycerol
- Iodinated »human serum albumin (131I)
- Iodine (antiseptic, external) (tincture) NEC
- Iodine (antiseptic, external) (tincture) NEC »12
- Iodine (antiseptic, external) (tincture) NEC »12
- Iodine (antiseptic, external) (tincture) NEC »13
- Iodine (antiseptic, external) (tincture) NEC »13
- Iodine (antiseptic, external) (tincture) NEC »di
- Iodine (antiseptic, external) (tincture) NEC »fo
- Iodine (antiseptic, external) (tincture) NEC »so
- Iodine (antiseptic, external) (tincture) NEC »va
- Iodipamide
- Iodized (poppy seed) oil
- Iodobismitol
- Iodochlorhydroxyquin
- Iodochlorhydroxyquin »topical
- Iodochlorhydroxyquinoline
- Iodocholesterol (131I)
- Iodoform
- Iodohippuric acid
- Iodopanoic acid
- Iodophthalein (sodium)
- Iodopyracet
- Iodoquinol
- Iodoxamic acid
- Iofendylate
- Ioglycamic acid
- Iohexol
- Ion exchange resin
- Ion exchange resin »anion
- Ion exchange resin »cation
- Ion exchange resin »cholestyramine
- Ion exchange resin »intestinal
- Iopamidol
- Iopanoic acid
- Iophenoic acid
- Iopodate, sodium
- Iopodic acid
- Iopromide
- Iopydol
- Iotalamic acid
- Iothalamate
- Iothiouracil
- Iotrol
- Iotrolan
- Iotroxate
- Iotroxic acid
- Ioversol
- Ioxaglate
- Ioxaglic acid
- Ioxitalamic acid
- Ipecac
- Ipecacuanha
- Ipodate, calcium
- Ipral
- Ipratropium (bromide)
- Ipriflavone
- Iprindole
- Iproclozide
- Iprofenin
- Iproheptine
- Iproniazid
- Iproplatin
- Iproveratril
- Iron (compounds) (medicinal) NEC
- Iron (compounds) (medicinal) NEC »ammonium
- Iron (compounds) (medicinal) NEC »dextran inject
- Iron (compounds) (medicinal) NEC »nonmedicinal
- Iron (compounds) (medicinal) NEC »salts
- Iron (compounds) (medicinal) NEC »sorbitex
- Iron (compounds) (medicinal) NEC »sorbitol citri
- Irrigating fluid (vaginal)
- Irrigating fluid (vaginal) »eye
- Isepamicin
- Isoaminile (citrate)
- Isoamyl nitrite
- Isobenzan
- Isobutyl acetate
- Isocarboxazid
- Isoconazole
- Isocyanate
- Isoephedrine
- Isoetarine
- Isoethadione
- Isoetharine
- Isoflurane
- Isoflurophate
- Isomaltose, ferric complex
- Isometheptene
- Isoniazid
- Isoniazid »with
- Isoniazid »with »rifampicin
- Isoniazid »with »thioacetazo
- Isonicotinic acid hydrazide
- Isonipecaine
- Isopentaquine
- Isophane insulin
- Isophorone
- Isophosphamide
- Isopregnenone
- Isoprenaline
- Isopromethazine
- Isopropamide
- Isopropamide »iodide
- Isopropanol
- Isopropyl
- Isopropyl »acetate
- Isopropyl »alcohol
- Isopropyl »alcohol »medicina
- Isopropyl »ether
- Isopropylaminophenazone
- Isoproterenol
- Isosorbide dinitrate
- Isothipendyl
- Isotretinoin
- Isoxazolyl penicillin
- Isoxicam
- Isoxsuprine
- Ispagula
- Ispagula »husk
- Isradipine
- Itraconazole
- Itramin tosilate
- Ivermectin
- Izoniazid
- Izoniazid »with thioacetazone
- lmmu-G
