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Indicates whether a test has been approved by the New York State Department of Health.
This test is New York state approved.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
Plain red, serum separator tube (SST), green (sodium or lithium heparin), or lavender (K2EDTA).
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
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)
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Frozen.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
RemarksAdditional specimen collection, transport, or test submission information.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Expected turnaround time for a result, beginning when ARUP has received the specimen.
2-9 days
Reference Interval
Normal 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 Data
May include disease information, patient result explanation, recommendations, or details of testing.
Compliance Category
Laboratory Developed Test (LDT)
Note
Additional 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 Codes
The 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.