4. DISEASES OF THE BLOOD AND BLOOD-FORMING ORGANS (280-289)
289 Other diseases of blood and blood-forming organs
289.0: Polycythemia, secondary
High-oxygen-affinity hemoglobin
Polycythemia:
acquired
benign
due to:
fall in plasma volume
high altitude
emotional
erythropoietin
hypoxemic
nephrogenous
relative
spurious
stress
Excludes:
polycythemia:
neonatal (776.4)
primary (238.4)
vera (238.4)
289.1: Chronic lymphadenitis
Chronic:
adenitis any lymph node, except mesenteric
lymphadenitis any lymph node, except mesenteric
Excludes:
acute lymphadenitis (683)
mesenteric (289.2)
enlarged glands NOS (785.6)
289.2: Nonspecific mesenteric lymphadenitis
Mesenteric lymphadenitis (acute) (chronic)
289.3: Lymphadenitis, unspecified, except mesenteric
289.4: Hypersplenism
"Big spleen" syndrome
Dyssplenism
Hypersplenia
Excludes:
primary splenic neutropenia (289.53)
289.5: Other diseases of spleen
289.6: Familial polycythemia
Familial:
benign polycythemia
erythrocytosis
289.7: Methemoglobinemia
Congenital NADH [DPNH]-methemoglobin-reductase deficiency
Hemoglobin M [Hb-M] disease
Methemoglobinemia:
NOS
acquired (with sulfhemoglobinemia)
hereditary
toxic
Stokvis' disease
Sulfhemoglobinemia
Use additional E code to identify cause
289.8: Other specified diseases of blood and blood-forming organs
289.9: Unspecified diseases of blood and blood-forming organs
Blood dyscrasia NOS
Erythroid hyperplasia
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