Contact Us 1-800-539-6119

Medication Monitoring Tests

Browse our blood and urine medication monitoring tests. Track drug levels through urine or blood screenings for fast, accurate, and private results online.

Choose One Lab: LABCORP (LC) or QUEST (QD) or ALL

Home Test Kits

Walk-In Lab is contracted with LabCorp (LC) and Quest Diagnostics (QD) for routine lab testing. Please choose LC or QD to complete your order. If you prefer to receive a kit by mail for specimen collection, please see our Home Test Kits. LC and QD tests must be ordered separately.

LabCorp: Online lab testing is prohibited in MA, MD, NY, NJ and RI.

Quest Diagnostics: Online lab testing is prohibited in AZ, NY, NJ and RI.

  • Prothrombin Time (PT) w/INR Blood Test

    The PT/INR Blood Test reports both PT and INR values, although the INR value is more applicable for patients on Warfarin; it is used to adjust dosage to get the PT in the appropriate range.
  • Lithium Serum Test

    The Lithium Serum Test measures and monitors the amount of lithium in the blood.
  • Pregnenolone Blood Test, LC/MS-MS (Endocrine Science...

    A Pregnenolone Blood Test measures the level of pregnenolone in your blood.
  • Serotonin Blood Test

    The Serotonin Blood Test is ordered to help diagnose and monitor treatment for a serotonin-secreting carcinoid tumor.
  • Valproic Acid Serum Test

    The Valproic Acid Serum test measures valproic acid in the blood to monitor if the drug concentration is within the therapeutic range.
  • Carbamazepine (Tegretol) Serum Test

    A Carbamazepine Blood Test is a test that evaluates the blood levels of carbamazepine. It is used in the dose adjustment and to ensure that carbamazepine levels remain within an acceptable range.
  • Phenytoin (Dilantin) Blood Test

    The Phenytoin Test is used to test for phenytoin, which is useful in generalized tonic-clonic, complex partial, and simple partial seizures and frequently is chosen for initial therapy, particularly in adults.
  • Lamotrigine Blood Test

    The lamotrigine blood test is used in monitoring serum concentration of lamotrigine, assessing compliance, and adjusting lamotrigine dose in patients receiving other anticonvulsant drugs which interact pharmacokinetically with lamotrigine.
  • AspirinWorks; (11-Dehydro Thromboxane B2) Urine Test...

    The AspirinWorks Test Kit is an enzyme-linked immunoassay (ELISA) to determine levels of 11-dehydrothromboxane B2 (11dhTxB2) in human urine, which aids in the qualitative detection of aspirin effect in apparently healthy individuals post ingestion.
  • Trileptal (Oxcarbazepine) Serum Test

    The Trileptal Serum Test checks level of this antiepileptic drug.
  • Nortriptyline Serum Test

    The Nortriptyline Serum Test measures the levels of nortriptyline, a drug used to treat major depression and bipolar disorders. 
  • Phenobarbital Serum Test

    A Phenobarbital Serum Test for phenobarbital, a long-acting barbiturate, which is effective in generalized tonic-clonic and simple partial seizures.
  • Theophylline Blood Test

    A Theophylline Blood Test is a therapeutic drug monitoring of Theophylline.
  • Salicylate (Aspirin) Serum Test

    A Salicylate Test to detect Salicylate overdose, to help evaluate its severity and monitor its resolution; sometimes to monitor for an overdose if you regularly use prescription-strength salicylates.
  • 20 Antibiotics/Anti-Inflammatory Agents - ALCAT Test...

    This 20 Antibiotics/Anti-Inflammatory Agents panel tests for 20 Antibiotics and Anti-Inflammatory agents that can activate the immune system. This is a tolerance test, not an allergy test.
  • Valproic Acid Blood Test, Free

    The Valproic Acid Blood Test, Free is useful in monitoring the concentration of valproic acid in your blood and to maintain a therapeutic level. 
  • Methadone Blood Test

    The methadone blood test is used to detect and monitor for the presence of methadone. It is used as a way to confirm compliance with methadone treatment.
  • Antidepressant Drug Profile Urine Test

    The Antidepressant Drug Profile Urine Test detects the presence of antidepressants in the urine to screen for a suspected overdose.
  • Amiodarone Blood Test

    The amiodarone test measures the amount of amiodarone in blood.
  • Tramadol Serum Blood Test

    Tramadol testing is used to confirm or identify suspected drug toxicity of Tramadol which is used for relief of moderate to moderately-severe pain.
  • Antipsychotic Drug Profile Blood Test

    The Antipsychotic Drug Profile Blood Test is used to detect the presence of antipsychotic drugs.  

Trusted, Secure, & Confidential