Reviewed 2026-09-21 · DNP, FNP-BC, PMHNP-BC
Psychiatric testing that changes management
Functional is a method (history → hypothesis → test), not a brand of IV.
Clinical scope of Functional Psychiatry & Lab Testing in Broward County
Root cause psych labs still require a root-cause differential, not a shopping cart.
Pharmacogenetic testing changes probabilities for some drugs.
Questions we hear about Functional Psychiatry & Lab Testing
Genetic privacy?
We treat it as sensitive data.
Can labs be wrong?
Yes. We repeat when needed.
Iron?
Ferritin when the story fits.
Adrenal fatigue?
Not a diagnosis we sell.
Who interprets?
Dr. Dorothy Chatelier, DNP, FNP-BC, PMHNP-BC.
Can I refuse?
Yes.
How this differs from a 15-minute med check
Wellness influencers sell panels. We sell decisions.
Endocrinology owns complex thyroid/pituitary; we screen and refer.
We will order less than a catalog and explain more.
Visit flow for Functional Psychiatry & Lab Testing
Discuss cost/coverage.
Treat, refer, or watch — with a date.
Pick the smallest panel that could change the plan.
Send to a draw site near 33019 when possible.
Why Hollywood presentations look the way they do
Free T3 obsession without TSH.
You were told normal labs mean you are faking.
Ferritin of 12 and the only plan was an SSRI.
What we rule in — and rule out
functional psychiatry labs still needs a hypothesis.
Before blaming 'just anxiety.'
When a mill already drew chaos and we need clean timed labs.
Failed antidepressant trials considering pharmacogenetics.
Protocol elements we do not skip
Results appointment.
Morning T for men.
Privacy of genetic data.
Fasting when lipids/glucose needed.
Next step
Start with one thorough Functional Psychiatry & Lab Testing evaluation rather than a series of 15-minute check-ins. Book at (888) 307-2199 or online.
Crisis now is 988 or the ER — not the booking form. For non-urgent Functional Psychiatry & Lab Testing, use (888) 307-2199 during weekday hours.
Related care
Clinician: Dr. Dorothy Chatelier, DNP, FNP-BC, PMHNP-BC, Psychiatric Mental Health Nurse Practitioner. Last medical review: 2026-09-21.
Florida telehealth psychiatry is available to established and new patients located in Florida at the time of the visit, subject to licensure and clinical appropriateness. An in-person evaluation at the Hollywood office may be recommended when a physical exam, vital signs, or a more complete diagnostic interview is needed.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. It does not establish a provider-patient relationship. Always seek care from a qualified clinician for questions about a medical or psychiatric condition. If you are in crisis, call 988 or go to the nearest emergency department.