Classification-Index

Classification 2025 Winter Edition

Worldwide source of medical classification resources

Class Index

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Registered Nurses See Nurses

Registers See Directory

Registrars, Hospital See Medical Staff, Hospital

Registration of Vital Statistics See Vital Statistics

Registration, Vital Statistics See Vital Statistics

Registries

General

WA 54 - WA 55

Non-disease terms by topic

(Form number for statistics in any NLM schedule where applicable)

Specific diseases by disease

Regression See Regression, Psychology

Regression (Psychology) See Regression, Psychology

Regression Analysis

General

QA 278.2

In public health

WA 950

Special topics, by subject

Regression Diagnostics See Regression Analysis

Regression, Psychology

General

WM 193.5.R2

Infant or child

WS 350.8.D3

Regression, Spontaneous Neoplasm See Neoplasm Regression, Spontaneous

Regret See Emotions

Regulating Factors, G-Protein See GTP-Binding Protein Regulators

Regulating Factors, GTP-Binding Protein See GTP-Binding Protein Regulators

Regulation See Social Control, Formal

Regulation of Gene Expression See Gene Expression Regulation

Regulation of Gene Expression, Bacterial See Gene Expression Regulation, Bacterial

Regulation of Gene Expression, Neoplastic See Gene Expression Regulation, Neoplastic

Regulation of Gene Expression, Plant See Gene Expression Regulation, Plant

Regulation of Gene Expression, Viral See Gene Expression Regulation, Viral

Regulation, Allosteric See Allosteric Regulation

Regulation, Appetite See Appetite Regulation

Regulation, Body Temperature See Body Temperature Regulation

Regulation, Facility See Facility Regulation and Control

Regulation, Food Intake See Appetite Regulation

Regulation, Gene Action See Gene Expression Regulation

Regulation, Gene Expression See Gene Expression Regulation

Regulation, Gene Expression, Bacterial See Gene Expression Regulation, Bacterial

Regulation, Gene Expression, Neoplastic See Gene Expression Regulation, Neoplastic

Regulation, Gene Expression, Plant See Gene Expression Regulation, Plant

Regulation, Gene Expression, Viral See Gene Expression Regulation, Viral

Regulator Gene See Genes, Regulator

Regulator Genes See Genes, Regulator

Regulator, Calcium-Dependent See Calmodulin

Regulators, G-Protein Signaling See GTP-Binding Protein Regulators

Regulators, Insect Growth See Juvenile Hormones

Regulators, Plant Growth See Plant Growth Regulators

Regulatory Genes See Genes, Regulator

Regulatory Ribonucleic Acid Region See Regulatory Sequences, Ribonucleic Acid

Regulatory RNA Region See Regulatory Sequences, Ribonucleic Acid

Regulatory Sequences, Ribonucleic Acid QU 58.7

Regulatory Sequences, RNA See Regulatory Sequences, Ribonucleic Acid

Regurgitation, Aortic Valve See Aortic Valve Insufficiency

Regurgitation, Pulmonary See Pulmonary Valve Insufficiency

Regurgitation, Pulmonary Valve See Pulmonary Valve Insufficiency

Rehabilitation

General

WB 320

Disabled veterans

WB 320

Of amputees

WE 170

Of the blind

HV 1573 - HV 2349

Medical

WW 276

Of the mentally disabled

WM 308

Sociological aspects

HD 7255 - HD 7256