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5 min readJanuary 2026

Competency Evaluation Letter: Documenting Capacity

Introduction: A Weighty Determination

Determining that an individual lacks the mental capacity to make their own decisions is a serious deprivation of liberty. Consequently, the Competency Evaluation Letter must be highly detailed, objective, and evidence-based. It bridges the medical assessment with the legal system.

Why This Letter is Essential

This document serves critical functions in both medicine and law:

  • Protects the Vulnerable: Prevents exploitation of individuals who truly cannot understand risks (e.g., signing away a home).
  • Upholds Rights: Conversely, it protects the rights of those with mild impairment who *can* still make simple decisions, preventing them from being bulldozed by family.
  • Legal Evidence: Courts rely almost exclusively on this letter to grant Guardianship or Conservatorship.
  • Medical Clarity: Clarifies who has authority to sign consent for surgery or placement in a nursing home.

Key Components of a Capacity Evaluation

A defensible evaluation must address the specific functional domains and provide clear evidence of impairment:

  • Domain Specificity: Assessing the patient's capacity in specific areas such as managing finances, making medical decisions, or living independently. A patient may retain capacity in one area while losing it in another.
  • Clinical Basis: Identifying the underlying medical diagnosis causing the impairment, such as Alzheimer's disease, chronic schizophrenia, or a traumatic brain injury.
  • Mental Status & Test Results: Documenting findings from a mental status examination and objective cognitive screens like the MoCA (Montreal Cognitive Assessment). Scores help quantify the severity of the clinical impression for the court.
  • Prognosis & Reversibility: Determining if the impairment is permanent and progressive or if it results from a reversible cause like a UTI or medication-induced delirium. This determines the duration of any legal guardianship.

Complete Letter Template

Competency Evaluation Letter Template

Automating Evaluations with HealOS

Thorough evaluations require reviewing years of records and conducting lengthy clinical interviews. HealOS AI agents streamline the evidence gathering and report writing process:

AI Medical Scribe

AI Medical Scribe: Transcribes the clinical interview in real-time, capturing specific examples of the patient's confusion or verbatim quotes of nonsensical answers, which serve as highly persuasive evidence in legal proceedings.

Clinical Documentation

Clinical Documentation Agent: Drafts the formal legal letter based on the scribe's notes and cognitive test scores. It ensures that all required legal sections, such as "Penalty of Perjury" statements or specific capacity affirmations, are correctly included.

Patient Data Management

Patient Data Management Agent: Compiles longitudinal data, such as declining cognitive test results over several years, to demonstrate the progressive nature of the condition and justify permanent legal measures.

EHR Interoperability

EHR Interoperability Agent: Synchronizes the final legal report with the patient's Electronic Health Record, ensuring that all providers involved in the patient's care are aware of their legal capacity status and identified surrogate decision-makers.

Automated Workflow: Competency Evaluation

HealOS automates the complex journey from assessment to legal filing:

  1. Clinical Interview: The physician conducts a capacity interview while the AI Medical Scribe captures every nuance of the patient's responses.
  2. Evidence Compilation: The Patient Data Management Agent pulls historical cognitive scores to provide context.
  3. Report Drafting: The Clinical Documentation Agent generates a draft letter using the legal template.
  4. Physician Review: The clinician reviews the draft, ensures accuracy, and signs the document.
  5. Legal Distribution: The EHR Interoperability Agent archives the report and facilitates its transmission to legal counsel or the court system.

Frequently Asked Questions (FAQs)

Q: What is the difference between 'Competency' and 'Capacity'?

'Capacity' is a clinical determination made by a doctor (e.g., specific to a medical decision). 'Competency' is a legal determination made by a judge. Doctors assess capacity; judges declare competency.

Q: Who can perform a competency evaluation?

Typically psychiatrists, psychologists, neurologists, or geriatricians. Primary care providers can also do preliminary assessments, but complex cases usually require specialists.

Q: What are the 4 pillars of capacity?

1. Understanding (facts), 2. Appreciation (how facts apply to self), 3. Reasoning (logic), 4. Expression of Choice (consistent decision).

Q: Is capacity global or specific?

It is specific. A patient might have the capacity to choose a dinner menu but lack the capacity to manage a $1M estate.

Q: Can a patient with dementia still have capacity?

Yes, in early stages or for simple decisions. A diagnosis of dementia does NOT automatically equate to lack of capacity.

Q: What tests are used?

Common screens include the MMSE (Mini-Mental State Exam) or MoCA (Montreal Cognitive Assessment), but these are just screens. A clinical interview is the gold standard.

Q: What happens if a patient is found incapacitated?

A surrogate decision-maker (e.g., Power of Attorney) takes over for the specific domain in question, or a legal guardian is appointed by the court.

Q: How do HealOS agents assist?

They transcribe the lengthy psychiatric interview and help structure the findings into a formal report, ensuring all legal criteria for capacity are addressed.

Q: Can capacity fluctuate?

Yes! 'Sundowning' or delirium can cause capacity to come and go. Evaluations should be timed when the patient is most alert.

Q: Is this letter used for guardianship?

Yes, this letter is the primary evidence attached to a petition for guardianship in court.


Clarity in Complexity

Competency evaluations are complex intersections of law and medicine. Use HealOS to ensure your documentation is robust, accurate, and protective of the patient's best interests.

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