Chapter III

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

Excludes: autoimmune disease (systemic) NOS ( M35.9 )
certain conditions originating in the perinatal period ( P00-P96 )
complications of pregnancy, childbirth and the puerperium ( O00-O99 )
congenital malformations, deformations and chromosomal abnormalities ( Q00-Q99 )
endocrine, nutritional and metabolic diseases ( E00-E90 )
human immunodeficiency virus [HIV] disease ( B20-B24 )
injury, poisoning and certain other consequences of external causes ( S00-T98 )
neoplasms ( C00-D48 )
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified ( R00-R99 )

This chapter contains the following blocks:
D50-D53 Nutritional anaemias
D55-D59 Haemolytic anaemias
D60-D64 Aplastic and other anaemias
D65-D69 Coagulation defects, purpura and other haemorrhagic conditions
D70-D77 Other diseases of blood and blood-forming organs
D80-D89 Certain disorders involving the immune mechanism

Asterisk categories for this chapter are provided as follows:
D63* Anaemia in chronic diseases classified elsewhere
D77* Other disorders of blood and blood-forming organs in diseases classified elsewhere