Chapter III
Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
(D50-D89)

Nutritional anaemias
(D50-D53)

D50 Iron deficiency anaemia
Includes: anaemia:
· asiderotic
· hypochromic
D50.0 Iron deficiency anaemia secondary to blood loss (chronic)
Posthaemorrhagic anaemia (chronic)
Excludes: acute posthaemorrhagic anaemia ( D62 )
congenital anaemia from fetal blood loss ( P61.3 )
D50.1 Sideropenic dysphagia
Kelly-Paterson syndrome
Plummer-Vinson syndrome
D50.8 Other iron deficiency anaemias
D50.9 Iron deficiency anaemia, unspecified

D51 Vitamin B 12 deficiency anaemia
Excludes: vitamin B 12 deficiency ( E53.8 )
D51.0 Vitamin B 12 deficiency anaemia due to intrinsic factor deficiency
Anaemia:
· Addison
· Biermer
· pernicious (congenital)
Congenital intrinsic factor deficiency
D51.1 Vitamin B 12 deficiency anaemia due to selective vitamin B 12 malabsorption with proteinuria
Imerslund(-Gräsbeck) syndrome
Megaloblastic hereditary anaemia
D51.2 Transcobalamin II deficiency
D51.3 Other dietary vitamin B 12 deficiency anaemia
Vegan anaemia
D51.8 Other vitamin B 12 deficiency anaemias
D51.9 Vitamin B 12 deficiency anaemia, unspecified

D52 Folate deficiency anaemia
D52.0 Dietary folate deficiency anaemia
Nutritional megaloblastic anaemia
D52.1 Drug-induced folate deficiency anaemia
Use additional external cause code (Chapter XX), if desired, to identify drug.
D52.8 Other folate deficiency anaemias
D52.9 Folate deficiency anaemia, unspecified
Folic acid deficiency anaemia NOS

D53 Other nutritional anaemias
Includes: megaloblastic anaemia unresponsive to vitamin B 12 or folate therapy
D53.0 Protein deficiency anaemia
Amino-acid deficiency anaemia
Orotaciduric anaemia
Excludes: Lesch-Nyhan syndrome ( E79.1 )
D53.1 Other megaloblastic anaemias, not elsewhere classified
Megaloblastic anaemia NOS
Excludes: Di Guglielmo's disease ( C94.0 )
D53.2 Scorbutic anaemia
Excludes: scurvy ( E54 )
D53.8 Other specified nutritional anaemias
Anaemia associated with deficiency of:
· copper
· molybdenum
· zinc
Excludes: nutritional deficiencies without mention of anaemia, such as:
· copper deficiency ( E61.0 )
· molybdenum deficiency ( E61.5 )
· zinc deficiency ( E60 )
D53.9 Nutritional anaemia, unspecified
Simple chronic anaemia
Excludes: anaemia NOS ( D64.9 )