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.
Confirm a diagnosis of aminolevulinic acid dehydratase deficiency porphyria (ADP), an extremely rare porphyria.
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.
Patient should abstain from alcohol for 24 hours prior to collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
Green (sodium heparin). Also acceptable: Lavender (EDTA) or green (lithium heparin). Refrigerate as soon as possible after collection.
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Transport 4 mL whole blood in original collection container. (Min: 3 mL) Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Refrigerated.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Grossly hemolyzed specimens.
RemarksAdditional specimen collection, transport, or test submission information.
Include a list of medications the patient is currently taking. New York Clients: Informed consent is required. Document on the request form or electronic order that a copy is on file.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
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.
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