Classification-Index

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Classification 2025 Summer Edition

Worldwide source of medical classification resources

Class Index

← Previous

...

A Fibers See Nerve Fibers, Myelinated

A-V Dissociation See Heart Block

A-V Node See Atrioventricular Node

A1PI See alpha 1-Antitrypsin

AA Spectrophotometry See Spectrophotometry, Atomic

AB-Piperacillin See Piperacillin

AB-Vancomycin See Vancomycin

Abate See Temefos

Abattoirs WA 707

Abbess See Nuns

Abbott-38579 See Thyrotropin-Releasing Hormone

Abbreviations

General

P 365 - P 365.5

Chemistry

QD 7

Library symbols (U.S.)

Z 881

Medical

W 13

By specialties (Form number 13 in any NLM schedule where applicable)

Organizations (General)

AS 8

Periodical titles

Z 6945.A2

Science (General)

Q 179

Particular languages, by language in appropriate LC schedule

Abdomen

General

WE 757

Diagnostic imaging

WI 141

Surgery

WI 980

See also Radiography, Abdominal

Abdomen, Acute

General

WI 147

Infant or child

WI 147

Abdominal Abscess WI 900

Abdominal Aorta See Aorta, Abdominal

Abdominal Aorta Aneurysm See Aortic Aneurysm, Abdominal

Abdominal Aortic Aneurysm See Aortic Aneurysm, Abdominal

Abdominal Cavity WI 900 - WI 980

Abdominal Cramps See Colic

Abdominal Cryptorchidism See Cryptorchidism

Abdominal Delivery See Cesarean Section

Abdominal Epilepsy See Epilepsies, Partial

Abdominal Hernia See Hernia, Abdominal

Abdominal Injuries WI 900

Abdominal Migraine See Migraine Disorders

Abdominal Muscles WE 757

See also Abdominal Muscles

Abdominal Wall Hernias See Hernia, Abdominal

Abdominoplasty WE 757

Abducens Nerve WL 330

Abducent Nerve See Abducens Nerve

ABH Blood Group See ABO Blood-Group System

Abiotic Stress See Stress, Physiological

Abiotic Stress Reaction See Stress, Physiological

Abiotic Stress Response See Stress, Physiological

Ablation Techniques WO 508

Ablation, Catheter See Catheter Ablation

Ablation, Transvenous Electric See Catheter Ablation

Ablation, Transvenous Electrical See Catheter Ablation

Ableism See Disability Discrimination

Abnormal Deep Tendon Reflex See Reflex, Abnormal

Abnormal Erythrocytes See Erythrocytes, Abnormal

Abnormal Hemoglobins See Hemoglobins, Abnormal

Abnormal Movements See Dyskinesias

Abnormal Reflex See Reflex, Abnormal

Abnormal Reflexes See Reflex, Abnormal