UW Hospital and Clinics Lab Test Directory
| Test Name: |
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Thymidine
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| Test Code(s): |
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THYMDN / HCTHYMDN
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| CPT Code(s): |
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83789, 82492
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| Methodology: |
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Tandem Mass Spectometry
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| Clinical Significance: |
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Useful in evaluation of patients suspected of MNGIE disease.
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| Testing Site: |
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Testing will be sent to an approved reference laboratory.
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| Turnaround Time: |
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Routine: Approximately 2 weeks.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Container: |
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Preferred: Green top (with sodium heparin anticoagulant)
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| Collection Volume: |
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Preferred: 4 mL
Pediatrics: 3 mL
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| Sample Analyzed: |
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Plasma
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| Volume Required: |
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Preferred: 2 mL
Pediatrics: 1 mL
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220).
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| Outreach Specimen Transport: |
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Transport frozen specimen to UWHC Core Laboratory (B4/220) on dry ice.
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| Stability: |
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Ambient: Not acceptable
Refrigerated: Not acceptable
Frozen: 7 days
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Interpretation
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| Additional Information: |
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This test is not useful for Carrier testing since Carriers may have normal levels of Thymidine.
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Thymidine Phosphorylase Deficiency
MNGIE Myoneurogastrointestinal
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