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Laboratory: Clinical Biochemistry
Test Name:
Test Code: MISM
Clinical Information:
Patients with Tyr 1 who are treated with diet and/or NTBC should have declining or normal values of blood spot succinylacetone.  Normal levels may be seen in affected individuals undergoing treatment.
Collection Devices:
1 Blood spot card (Mayo supply T493)
Specimen Required: Blood Spot Card (5 spots).  Minimum 1 spot.  Let blood dry on the filter paper at room temperature in a horizontal position for 3 hours.  Do not expose specimen to heat or direct sunlight.  Do not stack wet specimens.  Keep specimen dry.

See Specimen Required section.
Reference Values:
Normal:  < 5.0 μmol/L
An interpretive report will be provided.
Within 1 Week
Follow up testing for positive newborn screen for tyrosinemia type 1.
See Also:
More Information: