3. ENDOCRINE, NUTRITIONAL AND METABOLIC DISEASES, AND IMMUNITY DISORDERS (240-279)
Excludes:
endocrine and metabolic disturbances specific
to the fetus and newborn (775.0-775.9)
Note:
All neoplasms, whether functionally active or not, are classified in Chapter 2. Codes in Chapter 3 (i.e., 242.8, 246.0, 251-253, 255-259) may be used to identify such functional activity associated with any neoplasm, or by ectopic endocrine tissue.
OTHER METABOLIC AND IMMUNITY DISORDERS (270-279)
Use additional code to identify any associated intellectual disabilities
270: Disorders of amino-acid transport and metabolism
Excludes:
abnormal findings without manifest disease (790.0-796.9)
disorders of purine and pyrimidine metabolism (277.1-277.2)
gout (274.00-274.9)
271: Disorders of carbohydrate transport and metabolism
Excludes:
abnormality of secretion of glucagon (251.4)
diabetes mellitus (249.0-249.9, 250.0-250.9)
hypoglycemia NOS (251.2)
mucopolysaccharidosis (277.5)
272: Disorders of lipoid metabolism
Excludes:
localized cerebral lipidoses (330.1)
273: Disorders of plasma protein metabolism
Excludes:
agammaglobulinemia and hypogammaglobulinemia (279.0-279.2)
coagulation defects (286.0-286.9)
hereditary hemolytic anemias (282.0-282.9)
274: Gout
Excludes:
lead gout (984.0-984.9)
275: Disorders of mineral metabolism
Excludes:
abnormal findings without manifest disease (790.0-796.9)
276: Disorders of fluid, electrolyte, and acid-base balance
Excludes:
diabetes insipidus (253.5)
familial periodic paralysis (359.3)
277: Other and unspecified disorders of metabolism
278: Overweight, obesity and other hyperalimentation
Excludes:
hyperalimentation NOS (783.6)
poisoning by vitamins NOS (963.5)
polyphagia (783.6)
279: Disorders involving the immune mechanism
Use additional code for associated manifestations

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