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.
DISEASES OF OTHER ENDOCRINE GLANDS (249-259)
249: Secondary diabetes mellitus
Includes:
diabetes mellitus (due to) (in) (secondary) (with):
drug-induced or chemical induced
infection
Excludes:
gestational diabetes (648.8)
hyperglycemia NOS (790.29)
neonatal diabetes mellitus (775.1)
nonclinical diabetes (790.29)
Type I diabetes - see category 250
Type II diabetes - see category 250
The following fifth-digit subclassification is for use with category 249:
0 not stated as uncontrolled
1 uncontrolled
Use additional code to identify any associated insulin use (V58.67)
250: Diabetes mellitus
Excludes:
gestational diabetes (648.8)
hyperglycemia NOS (790.29)
neonatal diabetes mellitus (775.1)
nonclinical diabetes (790.29)
secondary diabetes (249.0-249.9)
The following fifth-digit subclassification is for use with category 250:
0 type II or unspecified type, not stated as uncontrolled
Fifth-digit 0 is for use for type II patients, even if the patient requires insulin
Use additional code, if applicable, for associated long-term (current) insulin use V58.67
1 type I [juvenile type], not stated as uncontrolled
2 type II or unspecified type, uncontrolled
Use additional code, if applicable, for associated long-term (current) insulin use V58.67
Fifth-digit 2 is for use for type II, adult-onset, diabetic patients, even if the patient requires insulin
3 type I [juvenile type], uncontrolled
251: Other disorders of pancreatic internal secretion
252: Disorders of parathyroid gland
Excludes:
hungry bone syndrome (275.5)
253: Disorders of the pituitary gland and its hypothalamic control
Includes:
the listed conditions whether the disorder is in the pituitary or the hypothalamus
Excludes:
Cushing's syndrome (255.0)
254: Diseases of thymus gland
Excludes:
aplasia or dysplasia with immunodeficiency (279.2)
hypoplasia with immunodeficiency (279.2)
myasthenia gravis (358.00-358.01)
255: Disorders of adrenal glands
Includes:
the listed conditions whether the basic disorder is in the adrenals or is pituitary-induced
256: Ovarian dysfunction
257: Testicular dysfunction
258: Polyglandular dysfunction and related disorders
259: Other endocrine disorders

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