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Understand the 1-mg low-dose dexamethasone suppression test, the common cortisol cutoff of 1.8 mcg/dL, causes of nonsuppression, and the follow-up used for Cushing screening.

Low-Dose Dexamethasone Suppression Test: Cushing Syndrome Screening and Results

Learn how an 8–9 a.m. cortisol test screens for adrenal insufficiency, what low and intermediate results mean, how ACTH helps identify the cause, and when stimulation testing is needed.

Morning Cortisol Test: Low Levels, Adrenal Insufficiency, and Results

Learn how a pheochromocytoma and paraganglioma panel uses plasma or urine metanephrines, normetanephrine, catecholamines, and controlled collection to interpret abnormal results.

Pheochromocytoma and Paraganglioma Test Panel: Metanephrines, Normetanephrine, Catecholamines, and Results

Learn what plasma epinephrine, norepinephrine, and dopamine results mean, why collection posture matters, common causes of high values, and when metanephrine testing is preferred.

Plasma Catecholamines Test: Epinephrine, Norepinephrine, Dopamine, and Results

Learn how plasma free metanephrine and normetanephrine testing screens for pheochromocytoma and paraganglioma, why supine rest matters, and how high or borderline results are evaluated.

Plasma Free Metanephrines Test: Pheochromocytoma and Paraganglioma Screening, High Levels, and Results

Learn what a high plasma normetanephrine result means, why supine rest matters, common false-positive causes, when clonidine testing is used, and how PPGL evaluation proceeds.

Plasma Normetanephrine Test: High Levels, Pheochromocytoma Screening, and Results

Diagnostics

Home Diagnostics Page 57

Understand what a high GAD-7 score usually means, how the score ranges are interpreted, why screening is not the same as diagnosis, and what follow-up steps doctors often take next.

What Does a High GAD-7 Score Mean?

A high PHQ-9 score usually signals clinically important depressive symptoms, but the real meaning depends on severity range, item 9, functioning, diagnosis, and what happens next in assessment and treatment.

What Does a High PHQ-9 Score Mean?

A low MoCA score can suggest cognitive impairment, but it can also reflect sleep, mood, medical issues, or testing factors. Learn how doctors interpret the score and what usually comes next.

What Does a Low MoCA Score Mean?

Learn what a positive bipolar screening result can and cannot tell you, why false positives happen, how clinicians confirm bipolar disorder, and when a positive screen needs urgent follow-up.

What Does a Positive Bipolar Screen Mean?

Understand what a positive PTSD screen actually means, why it is not a diagnosis, what follow-up usually involves, and when trauma-related symptoms need faster support.

What Does a Positive PTSD Screen Mean?

Learn what a positive mental health screen usually leads to, how follow-up evaluation works, when scores are not the same as diagnosis, and when urgent help is needed.

What Happens After a Positive Mental Health Screen?

Learn what doctors usually do after abnormal brain imaging or cognitive test results, including urgent warning signs, repeat testing, specialist referrals, and how follow-up decisions are made.

What Happens After Abnormal Brain Scan or Cognitive Test Results?

A cognitive assessment usually includes history, daily-function questions, brief memory and thinking tasks, and follow-up planning to clarify whether cognitive changes are normal, reversible, or a sign of a larger neurological problem.

What Happens During a Cognitive Assessment?

A mental health evaluation usually includes symptom review, history, observation, a mental status exam, safety assessment, and planning for diagnosis, treatment, or medical rule-outs so you know what to expect before the visit.

What Happens During a Mental Health Evaluation?

Learn what a neuropsychological evaluation includes, how testing is done, how long it takes, what cognitive domains are measured, and how results are used for diagnosis and care planning.

What Happens During a Neuropsychological Evaluation?

Learn which mental health and neurological symptoms call for emergency care, which red flags should never be watched at home, and when urgent follow-up may be enough.

When to Go to the ER for Mental Health or Neurological...

Learn what the Y-BOCS test measures, how OCD severity is scored, what the numbers usually mean, and how clinicians use the scale in diagnosis, treatment planning, and follow-up.

Y-BOCS Test for OCD: What It Measures and How It Is...

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