Classification-Index

Classification 2025 Winter Edition

Worldwide source of medical classification resources

Class Index

← Previous

...

490

...

Intrinsically Disordered Protein See Intrinsically Disordered Proteins

Intrinsically Disordered Proteins QU 55

See also Protein Folding

Intropin See Dopamine

Introversion See Introversion, Psychological

Introversion (Psychology) See Introversion, Psychological

Introversion, Psychological

Personality

BF 698.35.I59

Psychoanalysis

WM 460.5.E9

Introversion, Psychology See Introversion, Psychological

Intubation WB 365

Feeding

WB 410

Intubation, Endotracheal See Intubation, Intratracheal

Intubation, Gastrointestinal WI 190

Used for special purposes, by subject

Intubation, Intratracheal

General

WF 490

In anesthesia

WO 280

As therapy for a specific disease or condition, by subject

Intubation, Nasogastric See Intubation, Gastrointestinal

Intuition BF 315.5

Intussusception WI 450

Intususception See Intussusception

Inuit

General

E 99.E7

Anthropology (General)

E 99.E7

By region or country

GN 550 - GN 674

Health issues

WA 300

In medicine

Biography

Collective

WZ 150

Prefer classification by specialty if applicable

Individual

WZ 100

History

WZ 80.5.I3

Mental health issues

WA 305

Specific topics, by topic

Inuits See Inuit

Inuk See Inuit

Inulin QU 83

Inupiats See Inuit

Invagination, Intestinal See Intussusception

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