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

...

Unguents See Ointments

Unhoused Persons See Ill-Housed Persons

Unicilina See Penicillin G

Unicompartmental Knee Arthroplasty See Arthroplasty, Replacement, Knee

Unicompartmental Knee Replacement See Arthroplasty, Replacement, Knee

Unicondylar Knee Arthroplasty See Arthroplasty, Replacement, Knee

Unicondylar Knee Replacement See Arthroplasty, Replacement, Knee

Unidirectional Nystagmus See Nystagmus, Pathologic

Unifluid See Povidone

Uniforms See Clothing

Unigen See Estrone

Unilateral Blindness See Blindness

Unilateral Coronal Synostosis See Craniosynostoses

Unilateral Cryptorchidism See Cryptorchidism

Unilateral Headache See Headache

Unilateral Multicystic Dysplastic Kidney See Multicystic Dysplastic Kidney

Unilateral Paralysis, Vocal Cord See Vocal Cord Paralysis

Unilateral Vocal Cord Paralysis See Vocal Cord Paralysis

Unilateral Vocal Cord Paresis See Vocal Cord Paralysis

Uninsured See Medically Uninsured

Unintelligible Articulation See Articulation Disorders

Unintended Pregnancy See Pregnancy, Unplanned

Union List

Books or general

Z 695.83

Nonbook material

Z 6851

Serials

Z 6945

On particular subjects, in bibliography number for the subject

See also Catalog

Union Lists See Union List

Uniphyl See Theophylline

Uniphyllin See Theophylline

Uniphylline See Theophylline

Unipolar Depression See Depressive Disorder

Unique E See Tocopherols

United States National Health Insurance See National Health Insurance, United States

United States National Institutes of Health See National Institutes of Health (U.S.)

United States Visible Human Project See Visible Human Projects

Unithroid See Thyroxine

Universal Coverage See Universal Health Insurance

Universal Flu Vaccine See Influenza Vaccines

Universal Flu Vaccines See Influenza Vaccines

Universal Health Care W 67

Universal Health Insurance W 100 - W 275

See also names of specific types of insurance

Universal Healthcare See Universal Health Care

Universal Influenza Vaccine See Influenza Vaccines

Universal Influenza Vaccines See Influenza Vaccines

Universal Precautions

Precaution against a specific communicable disease, by disease

Universities

General

LB 2326.4 - LB 2330

Health services

WA 351

Mental health services

WA 353

(Form number 19 in any NLM schedule where applicable)

History (Form number 19 in any NLM schedule where applicable)