Medical/Professional Relations

9.01
Category of
Impairments,
Endocrine
System

9.02
Thyroid
disorders

9.03
Hyper-
parathyroidism

9.04
Hypo-
parathyroidism

9.05
Neurohypophyseal
insufficiency
(diabetes
insipidus)

9.06
Hyperfunction
of the adrenal
cortex

9.08
Diabetes
Mellitus

Cause of impairment. Impairment is caused by overproduction or underproduction of hormones, resulting in structural or functional changes in the body. Where involvement of other organ systems has occurred as a result of a primary endocrine disorder, these impairments should be evaluated according to the criteria under the appropriate sections. Medically acceptable imaging includes, but is not limited to, x-ray imaging, computerized axial tomography (CAT scan) or magnetic resonance imaging (MRI), with or without contrast material, myelography, and radionuclear bone scans. "Appropriate" means that the technique used is the proper one to support the evaluation and diagnosis of the impairment

9.01 Category of Impairments, Endocrine System

9.02 Thyroid disorders. Evaluate the resulting impairment under the criteria for the affected body system.

9.03 Hyperparathyroidism. With:

A. Generalized decalcification of bone on appropriate medically acceptable imaging study and elevation of plasma calcium to 11 mg. per deciliter (100 ml) or greater; or

B. A resulting impairment. Evaluate according to the criteria in the affected body system.

9.04 Hypoparathyroidism. With:

A. Severe recurrent tetany; or

B. Recurrent generalized convulsions; or

C. Lenticular cataracts. Evaluate under the criteria in 2.00ff.

9.05 Neurohypophyseal insufficiency (diabetes insipidus). With urine specific gravity of 1.005 or below, persistent for at least 3 months and recurrent dehydration.

9.06 Hyperfunction of the adrenal cortex. Evaluate the resulting impairment under the criteria for the affected body system.

9.08 Diabetes mellitus. With:

A. Neuropathy demonstrated by significant and persistent disorganization of motor function in two extremities resulting in sustained disturbance of gross and dexterous movements, or gait and station (see 11.00C); or

B. Acidosis occurring at least on the average of once every 2 months documented by appropriate blood chemical tests (pH or pC0₂ or bicarbonate levels); or

C. Retinitis proliferans; evaluate the visual impairment under the criteria in 2.02, 2.03, or 2.04.

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