Classification-Index

Classification 2025 Summer Edition

Worldwide source of medical classification resources

Class Index

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Insurance, Psychiatric W 270

Insurance, Surgical W 100 - W 275

Insurance, Vision W 273

Insurers See Insurance Carriers

Intake Regulation, Food See Appetite Regulation

Integral Membrane Protein See Membrane Proteins

Integral Membrane Proteins See Membrane Proteins

Integrated Academic Information Management Systems See Integrated Advanced Information Management Systems

Integrated Advanced Information Management Systems

General (medical)

W 26.55.I4

(Form number 26.5 in any NLM schedule where applicable)

Integrated Delivery Systems See Delivery of Health Care, Integrated

Integrated Health Care Systems See Delivery of Health Care, Integrated

Integration, Prophage See Lysogeny

Integrative Medicine WB 113

See also Holistic Health

Integrative Oncology QZ 266

Integrin See Integrins

Integrins

Biochemistry

QU 55.7

Immunological aspects

QW 569

See also Cell Adhesion Molecules

Integumentary System

General

WR 100

Anatomy

WR 101

Infant or child

WS 260

Pathology

WR 105

Specific topics, with the topic

Integumentary System Physiological Phenomena WR 102

Integumentary System Physiological Phenomenon See Integumentary System Physiological Phenomena

Integumentary System Physiological Phenomenon Concepts See Integumentary System Physiological Phenomena

Integumentary System Physiology See Integumentary System Physiological Phenomena

Intellectual Development Disorder See Intellectual Disability

Intellectual Disability

General

WM 300 - WM 308

Adolescent

WS 107 - WS 107.5

Infant or child

WS 107 - WS 107.5

Biographical or case reports

WS 107.5.C2

Mental Disorders

WM 307.M5

See also Abnormalities, Multiple

See also Child, Exceptional

See also Congenital Hypothyroidism

See also Down Syndrome

See also Education of Persons with Intellectual Disabilities

See also Fragile X Syndrome

See also Laurence-Moon Syndrome

See also Prader-Willi Syndrome

See also Rett Syndrome

See also Rubinstein-Taybi Syndrome

See also Williams Syndrome

Intellectual Property

General (medical)

W 32 - W 33

Copyright

Z 551 - Z 656

Special topics by topic

(Form number 32-33 in NLM Schedule where applicable)

Intellectually Disabled Persons See Persons with Intellectual Disabilities

Intelligence BF 431 - BF 433

Adolescent

WS 462

Genius

BF 412 - BF 426

Infant or child

WS 105

See also Educational Measurement

See also Psychological Tests

Intelligence Tests

General

BF 431 - BF 433

Infant or child

BF 432.C48

Intelligent Material See Smart Materials

Intelligent Materials See Smart Materials

Intensity-Modulated Arc Therapy See Radiotherapy, Intensity-Modulated

Intensive Care See Critical Care

Intensive Care Nursing See Critical Care Nursing

Intensive Care Units WX 218

Special fields (Form numbers 27-28 in any NLM schedule where applicable)

See also Critical Care

Intensive Care Units, Neonatal WS 27 - WS 28

Intensive Care Units, Pediatric WS 27 - WS 28

Intensive Care, Neonatal WS 421

Nursing

WY 157.3

Intensive Care, Surgical See Critical Care

Intention Tremor See Tremor

Intentional Self Harm See Self-Injurious Behavior

Intentional Self Injury See Self-Injurious Behavior

Interagency Relations See Interinstitutional Relations

Interbrain See Diencephalon

Intercalated Amygdaloid Nuclei See Amygdala

Intercalated Neurons See Interneurons

Intercarotid Ganglion See Carotid Body

Intercellular Adhesion Molecule See Cell Adhesion Molecules

Intercellular Adhesion Molecules See Cell Adhesion Molecules

Intercellular Fluid See Extracellular Fluid

Intercellular Junctions QU 350

Intercellular Signaling Peptides and Proteins

General

QU 55.2

As Growth Factors

QU 107

See also Peptide Hormones