Antidiuretic Hormone (ADH) VASO

Synonyms	Vasopressin Arginine Vasopressin, AVP
Allscripts (AEHR) Order Name	Antidiuretic Hormone (ADH)
Sunrise Clinical Manager (SCM) Order Name	Antidiuretic Hormone
EPIC Order Name	Antidiuretic Hormone (ADH), Plasma
Clinical Info	Aid in the diagnosis of urine concentration disorders, especially diabetes insipidus, syndrome of inappropriate ADH (SIADH), psychogenic water intoxication, and syndrome of ectopic ADH production. ADH, produced in the supraoptic and paraventricular locations of the hypothalamus, acts on the collecting tubules of the kidney to cause increase in permeability to water and urea. ADH release is triggered by a number of both osmotic and nonosmotic stimuli. Measurement of ADH is useful in separating central diabetes insipidus, which is marked by polydipsia and polyuria and is caused by inadequate ADH production from nephrogenic diabetes insipidus caused by the inability of renal tubules to respond to ADH. In SIADH, release of ADH is disproportionate to a low serum osmolality. SIADH results due to a number of conditions such as pulmonary disease, head trauma, and cancer. Please submit separate Lavender top tube for this test- Cannot be shared
Specimen Type	Blood
Container	Lavender Top Tube
Collection Instructions	Container/Tube: Lavender (EDTA) tube Specimen: 2 mL plasma (1.2 ml min) Transport Temperature: Frozen Stability: Room Temperature: Unstable Refrigerated; Unstable Frozen: 4 weeks Collection: Separate plasma from cells ASAP or within 2 hours of collection Patient Preparation No isotopes administered within 24 hours prior to venipuncture.
Transport Instructions	Frozen
Specimen Stability	Room Temperature: Unstable Refrigerated; Unstable Frozen: 4 Weeks Collection: Separate plasma from cells ASAP or within 2 hours of collection
Methodology	Radioimmunoassay
Days Performed
Performing Laboratory	LabCorp
CPT	84588 Loinc Code: 3126-0
PDM	5901335
Result Interpretation 0.0-4.7 pg/mL TAT: 7 - 13 Days
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