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HelpAmyloidosis, Transthyretin-Associated Familial, Reflex, Blood
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| TTRZ | TTR Gene, Full Gene Analysis | Yes | No |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Whole bloodShipping Instructions
Specimen must arrive within 4 days of collection. Specimens are stabilized upon receipt and stored until testing is performed.
Specimen Required
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Yellow top (ACD)
Specimen Volume: 3 mL
Collection Instructions:
1. Invert several times to mix blood.
2. Send whole blood specimen in original tube. Do not aliquot.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole blood | Refrigerated (preferred) | 4 days | |
| Ambient | 4 days |
Special Instructions
Reference Values
An interpretive report will be provided.
Day(s) Performed
Tuesday
CPT Code Information
82542
81404 (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| TTRX | Familial Amyloidosis Reflex | 94864-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 22668 | Wild Type Mass | 94860-4 |
| 22669 | Wild Type Width at Half Height | 94863-8 |
| 22670 | Second Mass | 94862-0 |
| 22671 | Mass Difference | 94861-2 |
| 22673 | Abnormal result | 51968-6 |
| 50944 | Interpretation | 69047-9 |
| 50946 | Reviewed By | 18771-6 |
Report Available
3 to 9 daysSpecimen Retention Time
2 monthsForms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen: