Investigations

Investigations for Mental Health Symptoms

Why we check for medical causes of mental health symptoms

Investigations for mental health symptoms are the tests a clinician uses to check whether a medical condition is causing or worsening what looks like depression, anxiety or another mental health problem. Low mood, exhaustion, poor concentration and changes in thinking are usually understood as mental health symptoms — and often they are. But there are a number of medical causes of mental health symptoms, and treating the mental health side without checking for a physical cause can mean months of treatment that doesn’t work. At Mindora Health, diagnostic investigations are part of a proper assessment, not an afterthought.

Why investigations matter in a mental health assessment

A diagnosis of depression, anxiety or another mental health condition is made partly by ruling other things out. If the underlying cause of your symptoms is a thyroid problem or a vitamin deficiency, the right treatment is for that condition — and a psychiatric medication may add side effects without addressing the cause. Investigations also provide the baseline measurements that some psychiatric medications require before they can be prescribed safely, and the monitoring they require once they are started.

Medical conditions that can mimic or worsen mental health symptoms

Examples of conditions that may be considered, depending on your history and presentation, include:

Thyroid disorders — an underactive thyroid can present as low mood, fatigue and slowed thinking; an overactive thyroid as anxiety, restlessness, palpitations and poor sleep
Anaemia and iron deficiency — fatigue, low energy and difficulty concentrating
Vitamin B12, folate and vitamin D deficiency — associated with low mood, fatigue and cognitive changes
Blood sugar problems — episodes of anxiety, shakiness or irritability
Liver and kidney function — relevant both to symptoms and to how safely certain medications can be used
Medication side effects — some prescribed medicines can cause mood or anxiety symptoms
Alcohol and other drug use — can cause, mask or mimic mood, anxiety and psychotic symptoms; this is a particular area of our practitioner's expertise
Sleep disorders — untreated sleep apnoea, for example, can present as depression or poor concentration
Other conditions — including infections, autoimmune conditions and neurological problems, where the history suggests them

This is not an exhaustive list, and not every person needs every test. Which investigations are requested depends on your individual presentation and history.

mental health investigations Wollongong

What investigations may be requested

Where clinically indicated, your Nurse Practitioner may request:

Pathology (blood) tests — commonly a full blood count, thyroid function, iron studies, vitamin B12 and folate, vitamin D, electrolytes, liver and kidney function, and blood glucose
Medication-specific monitoring — for example, blood levels for certain mood stabilisers, or metabolic monitoring (weight, blood pressure, lipids, glucose) for some antipsychotic medications
Other tests — such as an ECG before or during treatment with some medications, or referral for further investigation where the history warrants it

Requests are made through standard pathology providers in the Illawarra with a Medicare rebate where applicable. Where a test falls outside a Nurse Practitioner’s scope, we will arrange it through your GP.

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Treatment Planning

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Mental Health Medication Management

NP-led prescribing, review & monitoring of mental health medications.

How it works

At your comprehensive assessment, your Nurse Practitioner takes a full medical as well as mental health history — current conditions, medications, supplements, alcohol and other drug use, sleep and any recent tests. If you have had blood tests recently, bring the results; we may not need to repeat them.
A request form is provided for any investigations that are clinically indicated. You attend a pathology collection centre at a time that suits you.
Results are reviewed — usually at your first telehealth follow-up. We explain what they show and what, if anything, needs to change in your plan.
Any medical cause is treated by the right clinician. With your consent, results are sent to your GP, who manages physical health conditions; we manage the mental health plan alongside them.

Our approach

Investigations reflect the biopsychosocial approach at the heart of how we work: the biological contributors to how you feel are assessed alongside the psychological and social ones, not ignored. Our practitioner’s postgraduate training in addiction medicine and published research on co-occurring mental health and substance use inform particular care in the areas where physical health, substance use and mental health overlap. Read about our practitioner →

Fees

AppointmentDurationFeeMedicare rebate
Initial comprehensive assessment (new clients) — includes investigation requests where indicated60 min$250$117.20
Long follow-up — review results and revise treatment plan40 min$150$75.60
Standard follow-up — review results, monitor treatment plan20 min$100$52.55
Brief follow-up10 min$50$27.80
Improved Emotional Well-Being
Increased Self-Awareness
Resilience And Coping Skills
Better Relationships
medical causes of mental health symptoms

Frequently asked questions

(01) Can a physical illness cause depression or anxiety symptoms?
Yes. Thyroid disorders, anaemia, some vitamin deficiencies, sleep disorders, certain medications and alcohol or other drug use are among the conditions that can cause or worsen mood and anxiety symptoms. Ruling these out is a standard part of a thorough mental health assessment.
(02) Can a Nurse Practitioner order blood tests?
Yes. Endorsed Nurse Practitioners can request pathology and certain other diagnostic investigations within their scope of practice, with Medicare rebates where applicable.
(03) Will I need blood tests before starting medication?
Sometimes. Some psychiatric medications require baseline tests before they are started and periodic monitoring afterwards. Your Nurse Practitioner will explain what is needed and why.
(04) Do I need to fast?
Only for some tests, such as fasting glucose or lipids. The request form and the collection centre will tell you if fasting is required.
(05) What if the tests show a medical problem?
We discuss the results with you and, with your consent, send them to your GP for treatment of the medical condition. Your mental health plan is adjusted accordingly.