Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
PerformedDays of the week the test is performed.
Mon
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
2-9 days
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Plain Red, Serum Separator Tube (SST), Green (Sodium or Lithium Heparin), or Lavender (K2EDTA).
Specimen Preparation
Separate from cells within 6 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.2 mL)
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Effective May 20, 2013
Age
Reference Interval
10 years or less
37.0 - 117.0 µmol/L
11 years or greater
9.0 - 90.0 µmol/L
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
Compliance Category
Laboratory Developed Test (LDT)
NoteAdditional information related to the test.
To evaluate inherited disorders of creatine metabolism or transport, please order Creatine Disorders Panel, Plasma or Serum (ARUP test code 2002328) and/or Creatine Disorders Panel, Urine (ARUP test code 2002333).
Hotline History
N/A
CPT CodesThe American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
AliasesOther names that describe the test. Synonyms.
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