Methodology
LC/MS/MS
Synonyms
Tyrosinemia monitoring; NTBC; Orfadin; Nityr
Specimen Type
Plasma or Serum
Performing Lab
Seattle Children's Biochemical Genetics
Epic ID
Other Reference Test
Lab Test Days
Wednesday
Standard TAT
3-8 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Lithium Heparin (Light Green-Top) Tube (PST)
Collection Instructions
Blood collected in a sodium heparin (green-top) or serum collected in a (red-top) or serum separator tube (SST) is also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Room Temp-OK/Refrigerated-OK/Frozen-OK
Specimen Stability
Room Temp: 1 Month; Refrigerated: 6 Months; Frozen: 1 Year (Preferred)
Test Volume Required
1 mL Plasma or Serum
Minimum Test Volume
0.5 mL Plasma or Serum
Processing Instructions
Complete a Seattle Children's Biochemical Genetics requisition and submit with specimen frozen Monday-Friday, ok for Saturday delivery.
CPT Codes
80299
Revised
5/17/24
Initials
SA