Classification-Index

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Classification 2025 Summer Edition

Worldwide source of medical classification resources

Class Index

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Invasive Ductal Carcinoma, Breast See Carcinoma, Ductal, Breast

Invasiveness, Neoplasm See Neoplasm Invasiveness

Inventions

Special topics, by subject

Devices (Form number 26 in any NLM schedule where applicable)

See also Intellectual Property

Inventories See Equipment and Supplies

Inventories, Hospital WX 147

Inventory, Hospital See Inventories, Hospital

Inverse PCR See Polymerase Chain Reaction

Inverse Polymerase Chain Reaction See Polymerase Chain Reaction

Inversion of Circadian Rhythm, Psychogenic See Chronobiology Disorders

Inversion of Uterus See Uterine Inversion

Invertebrate Chordate See Chordata, Nonvertebrate

Invertebrate Hormones QL 364

Invertebrate Photoreceptor Cells See Photoreceptor Cells, Invertebrate

Invertebrate Photoreceptors See Photoreceptor Cells, Invertebrate

Invertebrates

General

QL 360 - QL 599.82

As parasites or disease vectors

QX 199 - QX 675

Investigational Drug See Drugs, Investigational

Investigational Drugs See Drugs, Investigational

Investigational Medicine See Biomedical Research

Investigational New Drug See Drugs, Investigational

Investigational New Drugs See Drugs, Investigational

Investigative Medicine See Biomedical Research

Investigator, Clinical See Research Personnel

Investigators See Research Personnel

Investigators, Clinical See Research Personnel

Investment, Dental Casting See Dental Casting Investment

Investments HG 4501 - HG 5993

Investments, Dental Casting See Dental Casting Investment

Involuntary Euthanasia See Euthanasia, Involuntary

Involuntary Hospitalization See Involuntary Treatment

Involuntary Movements See Dyskinesias

Involuntary Psychiatric Commitment See Involuntary Treatment, Psychiatric

Involuntary Quiver See Tremor

Involuntary Smoking See Tobacco Smoke Pollution

Involuntary Sterilization See Sterilization, Involuntary

Involuntary Treatment

General

W 85

In hospitals

WX 158.5

Involuntary Treatment, Psychiatric WM 29.5

See also Commitment of Persons with Psychiatric Disorders

Iodamoebiasis See Amebiasis

Iodide See Iodides

Iodide Peroxidase QU 140

Iodides

General

QV 283

As antisyphilitic agents

QV 261

Iodinase See Iodide Peroxidase

Iodine

General

QV 283

Deficiency

QU 130.5

Metabolism

WK 202

As a local anti-infective agent

QV 231