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Lab Test Dictionary

DMPK DNA Test (DM1) (36164)


Repeat Expansion Detection by PCR; Southern Blot


Myotonic Dystrophy, Type 1; Early Onset Myotonia Evaluation

Specimen Type

Whole Blood

Performing Lab

Quest forwards to Athena

Epic ID

Other Reference Test

Standard TAT

14-28 Days

Collection Information

Specimen Required

6-8 mL Whole blood or 1-2 mL Whole Blood for pediatric (0-3 years)

Container Type

Lavender (EDTA)

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=10 Days; Refrigerated=10 Day; Frozen=Unacceptable

Test Volume Required

8 mL Whole blood or 2 mL Whole Blood for pediatric (0-3 years)

Minimum Test Volume

6 mL Whole blood or 1 mL Whole Blood for pediatric (0-3 years)

Processing Instructions

No special forms needed.

Included Tests

(Athena provides best DMPK test available)


Insurance authorization is required prior to draw for Outpatients. Ok to send on Inpatients.

CPT Codes