| OMIM# | 160900 |
| Gen | DMPK (19q13.3) |
| Inheritance | Autosomal dominant. |
| Mutations | CTG-repeat expansion. |
| Specimen | 7,5 ml blood in EDTA-glass. |
| Analysis | Pre-screening with PCR. The size of an expanded allele is determined with Southern blotting technique. |
| Delivery | Mail. Monday to Friday. |
| Turn around time | 6 weeks. |
| Prenatal diagnosis | Only by prior arrangement and only for known familial amplifications. Turn around time: less than 2 weeks, contact the attending for further information. |