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Lab Manual for Moffitt-Long and Mount Zion

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Carbohydrate deficient transferrin, for Metabolic errors

Item Value
Approval req'd? No
Available Stat? No
Test code CDT
Test group Transferrin
Performed by Mayo
Sendout? Yes
Method Affinity chromatography ESI-MS
Container type Red top, Gold top
Amount to Collect 0.3mL blood
Sample type Serum
Preferred volume 0.1 mL serum
Min. Volume 0.05 mL (50 µL) serum
Processing notes Separate and freeze serum at -20C. Transport frozen. Order Mayo test # 82414. Include patient age and reason for referral testing, if provided.
Ref Lab Rejection Criteria Thawed, room temperature or refrigerated sample received.
Units Ratio
Normal range Congenital disorders of glycosylation:
Mono-oligosaccharide/Di-oligosaccharide ≤ 0.10
A-oligosaccharide/Di-oligosaccharide ≤ 0.05
Synonyms Transferrin electrophoresis; glycosylation: Transferrin isoforms
Stability Frozen at -20C indefinite.
Turn around times Performed Monday, Wednesday, Friday. Turnaround 4-8 days
CPT coding 82373-90
LOINC code 13999-8
Last Updated 10/2/2010 11:52:53 AM
Entry Number 1071
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