Y423-char group
Hormones and their synthetic substitutes and antagonists, not elsewhere classified
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Cannot be used as primary diagnosis
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: mineralocorticoids and their antagonists (Y54.0-Y54.1) oxytocic hormones (Y55.0) parathyroid hormones and derivatives (Y54.7)
Codes within Y42
Y42.0Glucocorticoids and synthetic analoguesY42.1Thyroid hormones and substitutesY42.2Antithyroid drugsY42.3Insulin and oral hypoglycaemic [antidiabetic] drugsY42.4Oral contraceptivesY42.5Other estrogens and progestogensY42.6Antigonadotrophins, antiestrogens, antiandrogens, not elsewhere classifiedY42.7Androgens and anabolic congenersY42.8Other and unspecified hormones and their synthetic substitutesY42.9Other and unspecified hormone antagonists