Classification 2025 Summer Edition
Worldwide source of medical classification resourcesBecause of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.
Class Numbers Added and Canceled
|
Class Numbers Added - 2025 Summer Edition |
||
|
New Number |
Class Name |
Former Number(s) |
|
QV 176 |
Tocolytic agents |
WK 102 |
|
QV 200 |
Lipid regulating agents |
None |
|
QV 205 |
Hypoglycemic agents |
WK 825 |
|
W 20.55.D5 |
Diffusion of innovation |
None |
|
W 20.55.O6 |
Operations research |
None |
|
W 26.55.A5 |
Algorithms |
W 26.5 |
|
W 26.55.C5 |
Cloud computing |
None |
|
W 26.55.C58 |
Computer security |
W 26.55.C7 |
|
W 26.55.D13 |
Data science |
None |
|
W 26.55.D14 |
Data visualization |
None |
|
W 26.55.D17 |
Database management systems |
W 26.55.I4 |
|
W 26.55.I2 |
Image processing, Computer-assisted |
None |
|
W 26.55.I35 |
Information storage and retrieval |
W 26.55.I4 |
|
W 26.55.M2 |
Machine learning |
W 26.55.A7 |
|
W 26.55.M25 |
Mathematical computing |
None |
|
W 26.55.M4 |
Medical informatics applications |
W 26.5 |
|
W 26.55.S4 |
Signal processing, computer-assisted |
W 26.5 |
|
W 26.55.S9 |
Systems analysis |
None |
|
W 26.55.T4 |
Telecommunications |
None |
|
WA 548 |
Reproductive health services (Table-G) |
WQ 200 |
|
WA 548.1 |
[Reproductive health services] General coverage (Not Table-G) |
WQ 200.1 |
|
WB 355 |
Placebos. Placebo effect |
WB 330 |
|
WH 710 |
Lymphoid tissue |
WH 700 |
|
WK 90 |
[Endocrine system] General works |
WK 100 |
|
WK 105 |
Androgens. Androgen antagonists |
WK 755 |
|
WK 110 |
Estrogens. Estrogen antagonists |
WP 522 |
|
WK 112 |
Estrogen replacement therapy |
WP 522 |
|
WK 220 |
Thyroid diseases (General or not elsewhere classified) |
WK 200 |
|
WK 517 |
Growth hormone |
WK 515 |
|
WK 812 |
Diabetes mellitus, Type I |
WK 810 |
|
WK 835.5 |
[Diabetes complications] Specific complications, A-Z |
WK 835 |
|
WK 835.5.A5 |
Diabetic angiopathies |
WK 835 |
|
WK 835.5.C2 |
Diabetic cardiomyopathies |
None |
|
WK 835.5.C6 |
Diabetic coma |
WK 830 |
|
WK 835.5.D2 |
Diabesity |
None |
|
WK 835.5.F5 |
Diabetic foot |
WK 835 |
|
WK 835.5.K4 |
Diabetic ketoacidosis |
WK 830 |
|
WK 835.5.N3 |
Diabetic nephropathies |
WK 835 |
|
WK 835.5.N6 |
Diabetic neuropathies |
WK 835 |
|
WK 835.5.R3 |
Diabetic retinopathy |
WK 835 |
|
WK 925 |
Corpus luteum hormones |
WP 530 |
|
WK 930 |
Gonadal steroid hormones |
WK 900 |
|
WK 932 |
Female gonadal steroid hormones |
None |
|
WK 933 |
Male gonadal steroid hormones |
None |
|
WK 935 |
Estradiol congeners |
WP 522 |
|
WK 940 |
Progesterone congeners |
None |
|
WK 945 |
Testicular hormones. Testosterone congeners |
WJ 875 |
|
WO 226.5 |
[Anesthesia and analgesia] Informatics. Electronic data processing. Computers |
None |
|
WP 20.5 |
Reproductive medicine as a profession. Ethics. Peer review |
WQ 200 |
|
WP 50 |
Reproductive health. Reproductive history (Table-G) |
WQ 200 |
|
WP 50.1 |
[Reproductive health. Reproductive history] General coverage (Not Table-G) |
WQ 200.1 |
|
WP 620 |
Reproductive techniques (General or not elsewhere classified) |
WQ 208 |
|
WQ 180 |
Perinatal care |
WQ 210 |
|
WQ 201 |
Pregnancy in Adolescence (General) |
WQ 215-WQ 270 |
|
WQ 208.2 |
Artificial insemination |
WQ 208 |
|
WQ 208.4 |
Fertilization in vitro |
WQ 208 |
|
WQ 209.5 |
Fetal monitoring |
WQ 209 |
|
WQ 254 |
High-Risk pregnancy |
WQ 240 |
|
WQ 445 |
Induced abortion |
WQ 440 |
|
WQ 507 |
Postpartum depression |
WQ 500 |
|
WS 462.5.S55 |
[Adolescent psychology] Smoking. Tobacco use |
None |
|
Class Numbers Canceled - 2025 Summer Edition |
||
|
Canceled Number |
Class Name |
Now Classed in |
|
QU 87 |
Hypolipidemic agents |
QV 200 |
|
WJ 875 |
Testicular hormones and antagonists |
WK 945 |
|
WK 180 |
Renal hormones |
WJ 301 |
|
WK 201 |
[Thyroid gland] Anatomy. Histology. Embryology. Abnormalities |
WK 200 |
|
WK 267 |
[Thyroid diseases] Medical therapy |
WK 265 |
|
WK 400 |
Thymus gland |
WH 710 |
|
WK 501 |
[Pituitary gland] Anatomy. Histology. Embryology |
WK 500 |
|
WK 701 |
[Adrenal glands] Anatomy. Histology. Embryology. Abnormalities |
WK 700 |
|
WK 702 |
[Adrenal glands] Physiology. Biochemistry |
WK 700 |
|
WK 801 |
[Islets of Langerhans] Anatomy. Histology. Embryology |
WK 800 |
|
WK 802 |
[Islets of Langerhans] Physiology. Biochemistry |
WK 800 |
|
WK 825 |
Other hypoglycemic agents |
QV 205 |
|
WK 830 |
Diabetic ketoacidosis. Diabetic coma |
WK 835.5.C6; WK 835.5.K4 |
|
WK 840 |
Diabetes as a complication in other conditions |
WK 835 |
|
WK 870 |
Glycosurias |
QU 260.5.G6 |
|
WK 920 |
Placental hormones |
WQ 212 |
|
WP 520 |
Endocrine functions of the ovaries |
WP 320 |
|
WP 522 |
Estrogenic hormones and antagonists |
WK 110; WK 935 |
|
WP 530 |
Corpus luteum hormones and related compounds |
WK 925; WK 940 |
|
WQ 90 |
Reproductive health surveys (Table-G) |
WP 50 |
|
WQ 90.1 |
[Reproductive health surveys] General coverage (Not Table-G) |
WP 50.1 |