Reviewed 2026-09-21 · DNP, FNP-BC, PMHNP-BC
TSH, ferritin, B12, vitamin D — when the history fits
Hollywood interpretation plus local phlebotomy is the usual pattern.
Functional Psychiatry & Lab Testing for Hollywood patients
Psychiatric lab testing is not a personality quiz.
hs-CRP is nonspecific. We do not build a cult around it.
Why Hollywood presentations look the way they do
Wellness clinic ignored lithium levels.
Lab used to avoid talking about trauma or alcohol.
GeneSight on day one with no medication history.
How this differs from a 15-minute med check
Direct-to-consumer kits often lack context.
IV clinics are not laboratories of record.
We will order less than a catalog and explain more.
Labs, scales, and follow-up cadence
No 80-marker default.
Hypothesis in the note before the order.
Do not ignore lithium levels for a wellness panel.
Document assay.
Indications and differentials
Heavy menses plus brain fog.
pharmacogenetic testing psychiatry still needs a hypothesis.
Before blaming 'just anxiety.'
When a mill already drew chaos and we need clean timed labs.
Questions we hear about Functional Psychiatry & Lab Testing
Insurance?
Varies by test. We discuss non-covered costs.
Can I refuse?
Yes.
Thyroid?
TSH/free T4 when indicated.
Who interprets?
Dr. Dorothy Chatelier, DNP, FNP-BC, PMHNP-BC.
Vitamin D religion?
We treat deficiency, not a fandom.
What if labs are normal?
We still treat the psychiatric diagnosis if it is there.
Visit flow for Functional Psychiatry & Lab Testing
Do not stack 12 supplements the same week as a new antidepressant without a reason.
Write the hypothesis.
Discuss cost/coverage.
Document limitations.
Schedule with Dr. Dorothy Chatelier, DNP, FNP-BC, PMHNP-BC
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.
If you already have records from another psychiatrist, NP, or therapist, send them before Functional Psychiatry & Lab Testing so the interview can start from data instead of from a blank page.
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.