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

...

Laundering

Hygiene

QT 240 - QT 245

See also Dietary Fiber

Laxity, Joint See Joint Instability

Laying-on-of-Hands See Therapeutic Touch

Lazarettos See Hospitals, Isolation

Lazy Eye See Amblyopia

LBG Persons See Sexual and Gender Minorities

LD Antigens See Histocompatibility Antigens

LDL Cholesterol See Cholesterol, LDL

LDL Cholesteryl Linoleate See Cholesterol, LDL

LDL Receptor See Receptors, LDL

LDL Receptors See Receptors, LDL

LDL Receptors, Lipoprotein See Receptors, LDL

LE Cells See Neutrophils

Lead QV 292

Lead Encephalopathy, Childhood See Lead Poisoning, Nervous System, Childhood

Lead Poisoning QV 292

Lead Poisoning, Nervous System, Childhood WS 340.5

Lead Poisoning, Neurologic, Childhood See Lead Poisoning, Nervous System, Childhood

Lead-Induced Nervous System Disease, Childhood See Lead Poisoning, Nervous System, Childhood

Leader Peptide See Protein Sorting Signals

Leader Sequences, Peptide See Protein Sorting Signals

Leader Signal Peptides See Protein Sorting Signals

Leadership

General

BF 637.L4

Health personnel (General)

W 21 - W 21.5

Nurses

WY 105

Other professionals (Form number 21-21.5 in any NLM schedule where applicable)

Special topics, by subject

Leafhoppers See Hemiptera

Lean Six Sigma See Total Quality Management

Leanness See Thinness

Learned Helplessness See Helplessness, Learned

Learning

Adolescent

LB 1603 - LB 1632

Adult

LB 2301 - LB 2396

Child

LB 1051 - LB 1602

Educational psychology

LB 1051 - LB 1091

Kindergarten children

LB 1141 - LB 1489

Physiology

WL 337

Preschool children

LB 1140 - LB 1140.5

Psychology

Adolescent

WS 462.5.D2

Adult

BF 318

Child

WS 105.5.D2

Special topics, by subject

Learning Disabilities

Educational aspects

Adult

LC 4818 - LC 4818.53

Child

LC 4704 - LC 4806.5

Medical aspects

Adult

WL 340.2

Child

WS 110