DISEASES OF OTHER ENDOCRINE GLANDS (249-259)
251 Other disorders of pancreatic internal secretion
251.0: Hypoglycemic coma
Iatrogenic hyperinsulinism
Non-diabetic insulin coma
Use additional E code to identify cause, if drug-induced
Excludes:
hypoglycemic coma in diabetes mellitus (249.3, 250.3)
251.1: Other specified hypoglycemia
Hyperinsulinism:
NOS
ectopic
functional
Hyperplasia of pancreatic islet beta cells NOS
Excludes:
hypoglycemia in diabetes mellitus (249.8, 250.8)
hypoglycemia in infant of diabetic mother (775.0)
hypoglycemic coma (251.0)
neonatal hypoglycemia (775.6)
Use additional E code to identify cause, if drug-induced
251.2: Hypoglycemia, unspecified
Hypoglycemia:
NOS
reactive
spontaneous
Excludes:
hypoglycemia:
with coma (251.0)
in diabetes mellitus (249.8, 250.8)
leucine-induced (270.3)
251.3: Postsurgical hypoinsulinemia
Hypoinsulinemia following complete or partial pancreatectomy
Postpancreatectomy hyperglycemia
Use additional code to identify (any associated):
acquired absence of pancreas (V88.11-V88.12)
insulin use (V58.67)
secondary diabetes mellitus (249.00-249.91)
Excludes:
transient hyperglycemia post procedure (790.29)
transient hypoglycemia post procedure (251.2)
251.4: Abnormality of secretion of glucagon
Hyperplasia of pancreatic islet alpha cells with glucagon excess
251.5: Abnormality of secretion of gastrin
Hyperplasia of pancreatic alpha cells with gastrin excess
Zollinger-Ellison syndrome
251.8: Other specified disorders of pancreatic internal secretion
251.9: Unspecified disorder of pancreatic internal secretion
Islet cell hyperplasia NOS

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