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Test Code LAB6752 Succinylacetone, Urine

Performing Section

Biochemical Genetics

Purpose/Principle

Hereditary tyrosinemia is characterized by the accumulation and excretion of succinylacetone. This method measures the amount of succinylacetone present in urine using stable isotope dilution methodology.

Special Collection Notes

Random Urine, morning specimen preferred.
No preservatives

Specimen Type

Urine:
Sterile Container

Specimen Volume

Preferred: 4.0 mL
Minimum: 1.5 mL

Processing Instructions

Store and ship sample frozen on dry ice.

Temperature

Frozen (dry ice)

Test Components

Succinylacetone, Urine

Reference Range

0.00-0.90 mcg/mg UCr

TAT

10 days

Sample Stability

Frozen @-20 Celsius: 30 days
Frozen @ -80 Celsius: Indefinitely

CPT

82542

Test/Batch Schedule

Run once a week (day varies)