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Pacific · TCA Drug Test – Tricyclic Antidepressants

TCA Drug Test – Tricyclic Antidepressants in California

TCA Drug Test – Tricyclic Antidepressants is a laboratory test you can request directly. This test measures the level of tricyclic antidepressants in the blood. It helps assess exposure and potential toxicity.

Sample typeBlood and/or urine at a collection lab
ReferralIncluded — no referral from your own doctor needed

Lab requirements in California

Here is what you need before ordering and completing the TCA Drug Test – Tricyclic Antidepressants in CA. Review each item and confirm the details with the collection lab.

Physician's order
Included. A physician's order is required for lab testing and is provided for you by our partner's physicians — no referral from your own doctor is needed.
Fasting
Some tests require fasting or avoiding certain foods or drinks beforehand. You will be informed when you order — confirm the details with the collection lab.
Preparation
Preparation instructions may vary depending on the specific laboratory and testing method. Always follow the collection lab's instructions regarding any needed preparation.
Sample & visit
A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
Identification
Bring the lab requisition form from your account. The collection lab may also ask for a government-issued photo ID.
Turnaround
1-3 business days
Availability
Our partner lab does not serve ND, RI, NY, NJ, MD or HI. Confirm availability for your location with the collection lab.

Before you go

  • Order your test before visiting a lab, then use the requisition form in your account.
  • Print the requisition form, or fax it to the lab directly from your account.
  • No scheduling is needed — visit the collection lab during its normal business hours.
  • A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
  • Bring a government-issued photo ID in case the lab requests it.
  • Results are posted to your secure account within 1–3 business days.

Requirements are summarized from our partner lab's published policies. Preparation and availability can change — confirm current instructions with the collection lab before your visit.

What this test is

The TCA drug test detects and measures tricyclic antidepressants, a class of medications used for depression and other conditions. It can identify the presence of these drugs and their metabolites in the bloodstream. The test is typically performed on a blood sample.

What it measures

  • Tricyclic antidepressants — Reflects the level of these medications in the blood
  • Nortriptyline — A specific TCA that may be measured
  • Imipramine — A specific TCA that may be measured
  • Amitriptyline — A specific TCA that may be measured
  • Desipramine — A specific TCA that may be measured

What the test involves

A healthcare professional collects a blood sample by inserting a needle into a vein, usually in the arm. The sample is then sent to a laboratory for analysis.

Why it is often ordered

A clinician may order this test to monitor medication levels, check for potential toxicity, or investigate suspected overdose. It can also be used in emergency settings to evaluate altered mental status or cardiac symptoms.

Preparation

Preparation instructions may vary depending on the specific laboratory and testing method. Always follow the collection lab's instructions regarding any needed preparation.

How results are reported

Results are reported as a concentration of tricyclic antidepressants in the blood, often with a reference range. Reference ranges can vary between laboratories, so results should be interpreted in the context of the specific lab's range and the patient's clinical picture.

Before you go

  • Whether any special preparation is needed before the test
  • The specific tricyclic antidepressants included in the test panel
  • The laboratory's expected turnaround time for results

Cities

TCA Drug Test – Tricyclic Antidepressants in California communities

Choose your city for local context and to order this test.

Los Angeles12,121,244TCA Drug Test – Tricyclic AntidepressantsSan Francisco3,290,197TCA Drug Test – Tricyclic AntidepressantsSan Diego3,084,174TCA Drug Test – Tricyclic AntidepressantsRiverside2,022,285TCA Drug Test – Tricyclic AntidepressantsSacramento1,924,167TCA Drug Test – Tricyclic AntidepressantsSan Jose1,729,879TCA Drug Test – Tricyclic AntidepressantsFresno719,558TCA Drug Test – Tricyclic AntidepressantsConcord640,270TCA Drug Test – Tricyclic AntidepressantsBakersfield590,845TCA Drug Test – Tricyclic AntidepressantsMission Viejo588,540TCA Drug Test – Tricyclic AntidepressantsMurrieta509,526TCA Drug Test – Tricyclic AntidepressantsLong Beach466,565TCA Drug Test – Tricyclic AntidepressantsOakland437,548TCA Drug Test – Tricyclic AntidepressantsStockton406,822TCA Drug Test – Tricyclic AntidepressantsVictorville389,060TCA Drug Test – Tricyclic AntidepressantsModesto382,994TCA Drug Test – Tricyclic AntidepressantsLancaster381,732TCA Drug Test – Tricyclic AntidepressantsOxnard366,330TCA Drug Test – Tricyclic AntidepressantsIndio361,831TCA Drug Test – Tricyclic AntidepressantsAnaheim348,204TCA Drug Test – Tricyclic AntidepressantsAntioch322,796TCA Drug Test – Tricyclic AntidepressantsSanta Rosa314,196TCA Drug Test – Tricyclic AntidepressantsSanta Ana313,818TCA Drug Test – Tricyclic AntidepressantsIrvine297,868TCA Drug Test – Tricyclic AntidepressantsSanta Clarita275,230TCA Drug Test – Tricyclic AntidepressantsChula Vista274,818TCA Drug Test – Tricyclic AntidepressantsVisalia249,804TCA Drug Test – Tricyclic AntidepressantsFremont231,502TCA Drug Test – Tricyclic AntidepressantsSan Bernardino220,821TCA Drug Test – Tricyclic AntidepressantsThousand Oaks211,045TCA Drug Test – Tricyclic AntidepressantsMoreno Valley208,371TCA Drug Test – Tricyclic AntidepressantsFontana208,087TCA Drug Test – Tricyclic AntidepressantsSalinas199,290TCA Drug Test – Tricyclic AntidepressantsHuntington Beach198,735TCA Drug Test – Tricyclic AntidepressantsSanta Barbara198,240TCA Drug Test – Tricyclic AntidepressantsGlendale196,512TCA Drug Test – Tricyclic AntidepressantsHemet191,170TCA Drug Test – Tricyclic AntidepressantsVallejo181,882TCA Drug Test – Tricyclic AntidepressantsElk Grove175,510TCA Drug Test – Tricyclic AntidepressantsOntario175,223TCA Drug Test – Tricyclic AntidepressantsOceanside174,461TCA Drug Test – Tricyclic AntidepressantsRancho Cucamonga173,946TCA Drug Test – Tricyclic AntidepressantsGarden Grove172,708TCA Drug Test – Tricyclic AntidepressantsPalmdale167,987TCA Drug Test – Tricyclic AntidepressantsSanta Cruz165,933TCA Drug Test – Tricyclic AntidepressantsHayward162,254TCA Drug Test – Tricyclic AntidepressantsCorona157,844TCA Drug Test – Tricyclic AntidepressantsMerced157,617TCA Drug Test – Tricyclic AntidepressantsSunnyvale155,550TCA Drug Test – Tricyclic AntidepressantsPomona151,592TCA Drug Test – Tricyclic AntidepressantsEscondido151,443TCA Drug Test – Tricyclic AntidepressantsTorrance147,156TCA Drug Test – Tricyclic AntidepressantsRoseville145,687TCA Drug Test – Tricyclic AntidepressantsFairfield145,163TCA Drug Test – Tricyclic AntidepressantsFullerton142,964TCA Drug Test – Tricyclic AntidepressantsSanta Maria142,230TCA Drug Test – Tricyclic AntidepressantsOrange139,195TCA Drug Test – Tricyclic AntidepressantsPasadena138,771TCA Drug Test – Tricyclic AntidepressantsYuba City129,536TCA Drug Test – Tricyclic AntidepressantsSanta Clara127,922TCA Drug Test – Tricyclic Antidepressants