Search our extensive Laboratory Test Directory to find test codes, ordering recommendations, specimen stability information, Test Fact Sheets, and more.
Recommendations when to order or not order the test. May include related or preferred tests.
New York DOH Approval Status
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.
Dried Blood Spot (DBS): Whatman 903 Protein Saver Card (filter paper). Whole blood: Yellow (ACD solution A). Also Acceptable: Lavender (K2EDTA), lavender (K3EDTA) or green (sodium heparin).
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
DBS: Whole blood collected on filter paper by direct puncture and dried. Whole blood collected by venipuncture in yellow (ACD solution A) or lavender (K2EDTA), lavender (K3EDTA) or green (sodium heparin) and then spotted on filter paper and dried. Allow blood to completely air dry before transporting for a minimum of 4 hours to overnight. Two circles of whole blood. (Min: 1 circle) Whole Blood: Transport 1 mL whole blood. (Min: 0.5 mL)
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
DBS: Room temperature. Also acceptable: Refrigerated. Whole Blood: Refrigerated. Also acceptable: Room temperature.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
DBS: Samples transported before blood is dried. Blood not soaked through to the back of the filter paper card. Heavily saturated, clotted, or double-spotted samples. Samples with evidence of milking or squeezing the puncture site or of contamination by alcohol or other liquids.
RemarksAdditional specimen collection, transport, or test submission information.
Additional information is required: Clinical indication for testing.
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.
3-10 days
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
0.50 - 2.30 nmol hydrolyzed/hr/DBS punch
Interpretive Data
May include disease information, patient result explanation, recommendations, or details of testing.
Refer to report.
Compliance Category
Laboratory Developed Test (LDT)
Note
Additional information related to the test.
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.
Connect Sign In
