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Lab Test Dictionary

Carnitine (70107) (NBS Follow-Up Only)

Methodology

Chromatography/Mass Spectrometry


Specimen Type

Serum or Plasma

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

Other Reference Test

Lab Test Days

Monday-Saturyda

Standard TAT

4-5 Days


Collection Information

Specimen Required

1-2 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Plasma collected in a sodium heparin (green-top) tube is also acceptable. Specimen must be accompanied with a special Quest Metabolic Newborn Screen Follow-Up TRF with the CDPH Quest Client account number to lab.


Processing Information - Lab Use Only

Transport Temperature

Frozen-Only

Specimen Stability

Room Temp=5 Hours; Refrigerated=5 Days; Frozen=30 Days

Rejection Criteria

Moderate and gross hemolysis

Test Volume Required

1 mL Serum or Plasma

Minimum Test Volume

0.4 mL Serum or Plasma

Processing Instructions

Specimen must be accompanied with a special Quest Metabolic Newborn Screen Follow-Up TRF with the CDPH Quest Client account number to Quest frozen. Contact Jennifer Widmer (Metabolic/NBS Coordinator) at x224642 for any questions.


Included Tests

Carnitine, Total; Carnitine, Free; Carnitine, Esters; and Esterified/Free Ration.


CPT Codes

82379