Test Code NAACD N-Acetylaspartic Acid, Canavan Disease, Random, Urine
Necessary Information
1. Patient's age and sex are required.
2. Include family history, clinical condition (asymptomatic or acute episode), diet, and drug therapy information
Specimen Required
Supplies: Urine Tubes, 10 mL (T068)
Container/Tube: Plastic, 10-mL urine tube
Specimen Volume: 10 mL
Pediatric: If insufficient collection volume, submit as much specimen as possible in a single container; the laboratory will determine if volume is sufficient for testing.
Collection Instructions:
1. Collect a random urine specimen (first morning void preferred).
2. No preservative.
Specimen Type
UrineSpecimen Minimum Volume
3 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Frozen (preferred) | 90 days | |
Refrigerated | 90 days | ||
Ambient | 14 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
≤50.00 mmol/mol creatinine
Day(s) Performed
Monday, Wednesday, Friday
Report Available
3 to 6 daysSpecimen Retention Time
2 monthsPerforming Laboratory

CPT Code Information
83921