Y443-char group
Agents primarily affecting blood constituents
⇄ 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)
Codes within Y44
Y44.0Iron preparations and other anti-hypochromic-anaemia preparationsY44.1Vitamin B12, folic acid and other anti-megaloblastic-anaemia preparationsY44.2AnticoagulantsY44.3Anticoagulant antagonists, vitamin K and other coagulantsY44.4Antithrombotic drugs [platelet-aggregation inhibitors]Y44.5Thrombolytic drugsY44.6Natural blood and blood productsY44.7Plasma substitutesY44.9Other and unspecified agents affecting blood constituents