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Test Code Thymidine Thymidine Determination

Clinical System Name

Thymidine Determination

Sample Requirements

Specimen: Whole blood

Container(s): Dark Green/Sodium Heparin Tube

Preferred Vol: 4.0 mL

Minimum Vol: 1.0 mL (Plasma)


Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location: Separate as soon as possible. Send 1 - 2 mL of plasma. Store the specimen in the CPA -20 C freezer, Send Outs rack. Specimen may be stored frozen for up to 7 days.


Off-site collection: Separate as soon as possible. Send 1 - 2 mL of plasma. Store the specimen frozen at -20 C. Ship frozen plasma to SCH Main Lab.


Specimen Type Temperature Time
Plasma Room temp


  Frozen 7 d



STAT Performed TAT
N   10 - 15 d


Performing Laboratory

Baylor Miraca Genetics Laboratories
2450 Holcombe - Grand Blvd Receiving Dock
Houston, TX 77021-2024


Phone Number: (800) 411-GENE (4363) or (713) 798-6555



Department: Send Outs

Phone Number: (206) 987-2563



Reference Range

Normal Range < 700 nM



Method: Tandem Mass Spectrometry

Analytical Volume: None specified


CPT Codes




Send Out Instructions


Reference Test Name: Thymidine Determination - Plamsa
Reference Test Number: 4330

Ship frozen samples overnight to Baylor College of Medicine, Medical Genetics Lab. Baylor does not accept Saturdaay delivery for Biochemical specimens.