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Alias Names: TTR / 30 Variant
Methodology: Polymerase Chain Reaction (PCR) / DNA sequencing
Edit Date: 6/2/2010
Performed: Monday-Friday
Released: 10-14 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 83891-90 / 83898-90 x3 / 83904-90 x3 / 83909-90 / 83912-90
Specimen Collection Details
Collection: One 4 mL lavender top tube (EDTA). NOTE: Draw Monday-Thursday only.
Handling: Refrigerate. Do not freeze. Specimen must arrive at PeaceHealth Laboratories’ testing lab within 24 hours of collection.
Stability: 72 hours refrigerated. Unstable ambient or frozen.
Standard Volume: 5 mL whole blood.
Minimum Volume: 2.5 mL whole blood.
Transport: Refrigerated.
Comments: Type I FAP (Familial Amyloidatic Polyneuropathy) is the most common form of hereditary amyloidosis. If patient specimen is found to be negative, specimen can be sent for further testing of variants at request of physician.
Rejection Criteria: Frozen specimen.
This test may require insurance company prior authorization before ordering.
Please check the prior authorization list
Failure to gain preauthorization may result in denial of coverage.

PeaceHealth Laboratories