Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

Code range D50-D89 - 35 categories

Category	Description	Billable codes
`D50`	Iron deficiency anemia	4
`D51`	Vitamin B12 deficiency anemia	6
`D52`	Folate deficiency anemia	4
`D53`	Other nutritional anemias	5
`D55`	Anemia due to enzyme disorders	7
`D56`	Thalassemia	8
`D57`	Sickle-cell disorders	43
`D58`	Other hereditary hemolytic anemias	5
`D59`	Acquired hemolytic anemia	16
`D60`	Acquired pure red cell aplasia [erythroblastopenia]	4
`D61`	Oth aplastic anemias and other bone marrow failure syndromes	13
`D62`	Acute posthemorrhagic anemia	1
`D63`	Anemia in chronic diseases classified elsewhere	3
`D64`	Other anemias	8
`D65`	Disseminated intravascular coagulation [defibrination syndrome]	1
`D66`	Hereditary factor VIII deficiency	1
`D67`	Hereditary factor IX deficiency	1
`D68`	Other coagulation defects	25
`D69`	Purpura and other hemorrhagic conditions	13
`D70`	Neutropenia	7
`D71`	Functional disorders of polymorphonuclear neutrophils	3
`D72`	Other disorders of white blood cells	22
`D73`	Diseases of spleen	9
`D74`	Methemoglobinemia	3
`D75`	Other and unsp diseases of blood and blood-forming organs	13
`D76`	Oth dis with lymphoreticular and reticulohistiocytic tissue	3
`D77`	Other disorders of blood and blood-forming organs in diseases classified elsewhere	1
`D78`	Intraop and postprocedural complications of the spleen	12
`D80`	Immunodeficiency with predominantly antibody defects	10
`D81`	Combined immunodeficiencies	17
`D82`	Immunodeficiency associated with other major defects	7
`D83`	Common variable immunodeficiency	5
`D84`	Other immunodeficiencies	7
`D86`	Sarcoidosis	13
`D89`	Oth disorders involving the immune mechanism, NEC	24