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

...

Access To Care, Health See Health Services Accessibility

Access to Contraception See Health Services Accessibility

Access to Health Care See Health Services Accessibility

Access to Health Services See Health Services Accessibility

Access to Information

Health information

W 70

Medical Records

WX 173

Special topics, by subject

See also Primary Health Care

Access to Therapy See Health Services Accessibility

Access to Treatment See Health Services Accessibility

Accessibility of Health Services See Health Services Accessibility

Accessibility of Primary Care See Access to Primary Care

Accessibility, Architectural See Architectural Accessibility

Accessibility, Health Services See Health Services Accessibility

Accessible Primary Care See Access to Primary Care

Accessory Cell, Immunologic See Antigen-Presenting Cells

Accessory Cells, Immunologic See Antigen-Presenting Cells

Accessory Cuneate Nucleus See Medulla Oblongata

Accessory Nerve WL 330

Accessory Pancreatic Duct See Pancreatic Ducts

Accessory Pancreatic Duct of Santorini See Pancreatic Ducts

Accessory Sex Organs See Genitalia

Accessory Sex Organs, Female See Genitalia, Female

Accessory Sex Organs, Male See Genitalia, Male

Accident and Emergency Department See Emergency Service, Hospital

Accident Insurance See Insurance, Accident

Accident Prevention WA 250 - WA 288

General

WA 250

In hospitals

WX 185

See also Desert Climate

Accommodation, Lens See Accommodation, Ocular

Accommodation, Ocular WW 109

Accomplishment See Achievement

Accountability See Social Responsibility

Accountable Health Plans See Managed Competition

Accounting

Dental administration

WU 77

Hospital administration

WX 157

In other specific fields, by subject

Medical administration

W 80

Nursing administration

WY 77

Pharmacy administration

QV 736

Accounting, Demographic See Demography

Accounts, Medical Savings See Medical Savings Accounts

Accreditation

Clinical laboratories

QY 70

Dental

WU 40

Hospitals (General)

WX 40

Special (Form numbers 27-28 in any NLM schedule where applicable)

Institutes, etc. (Form numbers 23-24 in any NLM schedule where applicable)

Physicians

W 40

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

Schools (Form numbers 18 or other appropriate education number in any NLM schedule where applicable)