Classification-Index

Classification 2025 Summer Edition

Worldwide source of medical classification resources

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Class Index

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Umbilical Arteries WG 595.U6

Umbilical Cord WQ 210

Umbilical Cord Blood See Fetal Blood

Umbilical Cord Blood Stem Cell Transplantation See Cord Blood Stem Cell Transplantation

Umbilical Hernia See Hernia, Umbilical

Umbilical Veins

General

WI 720

Obstetrics

WQ 210

Umbilicus WE 757

See also Umbilical Cord

Umbrella Reviews as Topic See Systematic Reviews as Topic

Unani Medicine See Medicine, Unani

Uncaria tomentosa See Cat's Claw

Uncinaria stenocephala See Ancylostomatoidea

Uncinariasis, Human See Necatoriasis

Uncinate Seizures See Epilepsies, Partial

Uncompensated Care

General

W 74

Hospital

WX 157

Indigent

W 250

For specific services by service, in economics number where available

See also Medical Indigency

See also Medically Uninsured

Unconscious See Unconscious, Psychology

Unconscious (Psychology) See Unconscious, Psychology

Unconscious State See Unconsciousness

Unconscious, Psychology

General

BF 315

Infant or child

WS 105

Psychoanalysis

WM 460.5.U6

Unconsciousness

General diagnosis

WB 182

Neurological manifestation

WL 341

See also Syncope

Uncooked Foods See Raw Foods

Under-Developed Countries See Developing Countries

Under-Developed Nations See Developing Countries

Underachievement BF 637.U53

Academic

LC 4661 - LC 4700.4

Relation to personality

BF 698.9.A3

Underage Alcohol Consumption See Underage Drinking

Underage Alcohol Use See Underage Drinking

Underage Drinking

General

WS 462.5.A5

Social aspects

HV 5133 - HV 5135

See also Alcohol Drinking in College

Underarm See Axilla

Underemployment See Employment

Undergraduate Medical Education See Education, Medical, Undergraduate

Underground Lakes See Groundwater

Underground Streams See Groundwater

Underground Water See Groundwater

Underinsured See Medically Uninsured

Undernutrition See Malnutrition

Underpopulation See Population Density

Undersea and Hyperbaric Medicine See Diving and Hyperbaric Medicine

Undersea Medicine See Diving and Hyperbaric Medicine

Undertaking See Mortuary Practice

Underuse, Health Services See Health Services Misuse

Underwater and Hyberbaric Medicine See Diving and Hyperbaric Medicine

Underwater Medicine See Diving and Hyperbaric Medicine

Underweight See Thinness

Undescended Testis See Cryptorchidism

Undifferentiated Connective Tissue Disease See Undifferentiated Connective Tissue Diseases

Undifferentiated Connective Tissue Diseases QZ 192

Undifferentiated Lymphoma See Lymphoma, Non-Hodgkin

Undulant Fever See Brucellosis

Unemployment HD 5707.5 - HD 5710.22

Unfractionated Heparin See Heparin

Unguent See Ointments