Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Screening test for tricyclic antidepressants including amitriptyline, clomipramine, desipramine, doxepin, imipramine, nortriptyline, protriptyline, and trimipramine. Results are unconfirmed and are to be used for medical (treatment) purposes only.
MnemonicUnique test identifier.
S TAD
MethodologyProcess(es) used to perform the test.
Enzyme Immunoassay
PerformedDays of the week the test is performed.
Sun-Sat
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
Within 24 hours
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.
Specimen Preparation
Separate serum from cells within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Separator tubes.
Remarks
Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 1 month; Frozen: 1 year
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Negative
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
This test is positive when the total concentration of all detectable tricyclic antidepressants produces a response greater than the cutoff of 300 ng/mL nortriptyline. This is a screening test, results are unconfirmed. Unconfirmed results are to be used for medical (treatment) purposes only. Tricyclic antidepressants detectable with this assay include: amitriptyline, clomipramine, desipramine, doxepin, imipramine, nortriptyline, protriptyline, and trimipramine.
Levels of tricyclic antidepressants in the therapeutic range may not be detectable.
False-positive results may occur with the following drugs: Seroquel (quetiapine fumarate), Trileptal (oxcarbazepine), Benadryl (diphenhydramine) at toxic concentrations, Flexeril (cyclobenzaprine), Thioridazine, and Thorazine (chlorpromazine).
Compliance Category
FDA
NoteAdditional information related to the test.
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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