TAY SACHS, DNA BY PCR
| Synonyms: | Hexosaminidase A Deficiency; Tay-Sachs Disease, DNA Analysis |
| Computer Code: | (RTYMD) |
| Specimen Collection: | 10 mL blood (lavender or yellow top tube). 10 mL amniotic fluid, 20 mg chorionic villous sample or 3 buccal swabs also acceptable. (Submission of maternal blood is required for fetal testing.) Genetic Consent Required (see Test Requisitions and Consents #6). |
| Minimum Volume: | WB: 3 mL, AF: 5 mL, CVS: 10 mL |
| Handling Instructions for Offsite Areas: | Maintain unspun whole blood and other sample types at room temperature. Min 3 mL whole blood, 5 mL amniotic fluid, 10 mg CVS or 2 buccal swabs |
| Reference Values: | See reference laboratory report. |
| Lab Code: | Send Out |
| Requisition: | SPEC C 06%20attestation%20for%20miscellaneous%20genetic%20testing.pdf? |
| Test Frequency: | NA |
| Routine TAT: | 10 days |
| Stat TAT: | N/A |
| CPT Code(s): | 81255 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |