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Pheochromocytoma Evaluation	#889

Test Details

Type of Disorder:	Family Cancer Syndromes

Typical Presentation:	Headache, palpitations, diaphoresis, hypertension

Indications for Testing:	Clinical diagnosis of or suspician of Pheochromocytoma (PHEO), family history of PHEO

Disease(s) tested for:	Pheochromocytoma


Test Code:	889

Profile includes:	SDHB DNA Sequencing Test, MEN2 (RET) Evaluation, Von Hippel-Lindau Syndrome (VHL) Evaluation

Informed Consent Required:	Yes

Medicare ABN Required:	Yes

Technical Information

Utility:	Detects mutations in the coding sequences of the VHL, RET and SDHB genes

Methodology:	Polymerase Chain reaction (PCR); DNA Sequencing of the entire coding region of the gene.

Reference Value:	No mutation detected

CPT Code(s):	83891(1); 83898(31); 83904(31); 83909(1); 83912(1)

Shipping Considerations

Preferred Specimen Requirements
Type:	Whole blood
Minimum Volume:	10 mL (Pediatric minimum: 2 mL)
Collection Tube:	Lavender top (EDTA)
Stability:	Hemolysis may compromise DNA recovery and integrigy after 48 hours

Storage Conditions:	For short periods (until shipped) at 4 degrees C

Shipping Conditions:	Overnight at room temperature (specimen arrival must be less than 24 hours after collection) Ship Monday through Thursday only

Test Turnaround:	21-35 days

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