Classification-Index

Classification 2025 Summer Edition

Worldwide source of medical classification resources

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Class Index

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O-(4-Hydroxy-3,5-diiodophenyl) 3,5-diiodo-L-tyrosine See Thyroxine

O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine See Thyroxine

o-Dihydroxybenzenes See Catechols

O-Glycosylated Proteins See Glycoproteins

o-Isopropylmethyl Phosphonofluoridate See Sarin

Oak, Poison See Toxicodendron

Oat Cell Carcinoma See Carcinoma, Small Cell

Oat Cell Carcinoma of Lung See Small Cell Lung Carcinoma

Oat Cell Lung Cancer See Small Cell Lung Carcinoma

Oath, Hippocratic See Hippocratic Oath

Oats See Avena

Ob Gene Product See Leptin

Ob Protein See Leptin

Obese Gene Product See Leptin

Obese Protein See Leptin

Obesity QU 248

See also Bariatrics

See also Body Weight

See also Diet, Reducing

See also Obesity, Morbid

See also Pediatric Obesity

Obesity in Adolescence See Pediatric Obesity

Obesity in Childhood See Pediatric Obesity

Obesity in Pregnancy See Pregnancy in Obesity

Obesity Management

General

QU 252

Adolescent

WS 132

Child

WS 130

Infant

WS 120

Obesity Management Systems See Obesity Management

Obesity, Maternal See Pregnancy in Obesity

Obesity, Morbid QU 250

See also Gastric Bypass

Obesity, Severe See Obesity, Morbid

Obesity-Induced Diabetes See Diabesity

See Diabesity

Object Attachment WM 460.5.O2

Object Relations See Object Attachment

Object Relationship See Object Attachment

See Social Responsibility

Obligations of Society See Social Justice

Obligations to Society See Social Responsibility

Oblique Astigmatism See Astigmatism

Oblique Extraocular Muscles See Oculomotor Muscles

Oblique Muscle, Inferior See Oculomotor Muscles

Oblique Muscle, Superior See Oculomotor Muscles

Oblique Muscles, Extraocular See Oculomotor Muscles

Obracin See Tobramycin

Observation

In specific topics, by subject

As a scientific method in research (Form number 20 or 20.5 in any NLM schedule where applicable)

Obsessions See Obsessive Behavior

Obsessive Behavior WM 176

Obsessive Hoarding See Hoarding Disorder

Obsessive-Compulsive Disorder WM 176

Obsessive-Compulsive Personality See Compulsive Personality Disorder

Obsidan See Propranolol

Obstetric and Gynecologic Diagnostic Technic See Diagnostic Techniques, Obstetrical and Gynecological

Obstetric and Gynecologic Diagnostic Technics See Diagnostic Techniques, Obstetrical and Gynecological

Obstetric and Gynecologic Diagnostic Technique See Diagnostic Techniques, Obstetrical and Gynecological

Obstetric and Gynecologic Diagnostic Techniques See Diagnostic Techniques, Obstetrical and Gynecological

Obstetric Delivery See Delivery, Obstetric