A mental status exam (MSE) is the clinician's structured description of how a client presents at one point in time: appearance, behavior, speech, mood, affect, thought process, thought content, perception, cognition, insight, and judgment. Psychologists, psychiatrists, therapists, and medical teams record a complete MSE at intake or diagnostic evaluation and briefer focused versions afterward. Most written MSEs run 80 to 250 words.
Psychologists, psychiatrists, therapists, psychiatric NPs, medical teams
Treating clinician, care team, supervisors, payers, auditors, courts
80 to 250 words · 2 to 6 minutes by hand (clinical team estimate)
Structured exam section (compare: intake note, psychiatric diagnostic evaluation)
Complete at intake and diagnostic evaluations; focused versions in follow-up notes
A clinical convention, not a mandated form; federal law requires a mental status record only in inpatient psychiatric hospitals
A mental status exam (MSE) is the clinician's structured description of how a client presents at one point in time, organized into domains: appearance, behavior, speech, mood, affect, thought process, thought content, perception, cognition, insight, and judgment. It is psychiatry's counterpart to the physical exam, and it records observation, not history. StatPearls credits Adolf Meyer with the first standardized outline in 1918, and the modern domain structure was codified by textbooks, most visibly Trzepacz and Baker's The Psychiatric Mental Status Examination (Oxford University Press, 1993), not by any regulator. Australian and UK sources write "mental state examination"; the exam is the same. It usually sits inside a larger document, an intake note, a psychiatric diagnostic evaluation, or a progress note, and it can also stand alone.
Two clarifications do most of the work. First, the MSE is a convention, not a mandate: no US, Canadian, or Australian statute standardizes its content or domain count. The one federal rule that comes close, 42 CFR 482.61, requires inpatient psychiatric hospitals to include "a record of mental status" in a psychiatric evaluation completed within 60 hours of admission, and it applies nowhere else. Second, the MSE is not the MMSE. The Mini-Mental State Examination is a scored 30-point cognitive screen, published by Folstein and colleagues in 1975, that has been copyrighted and actively licensed since 2000; the free-form MSE has no owner, no fee, and no fixed form.
Psychologists, psychiatrists, therapists, psychiatric NPs, and medical teams all record MSEs, with depth matched to the encounter. A complete exam belongs in the psychiatric diagnostic evaluation, where Medicare contractor policy expects it, and in most intake and biopsychosocial workups. Focused versions carry the observational load in progress notes, medication follow-ups, and crisis encounters, where the same contractor policy pairs a mental status exam with a disposition. Capacity and guardianship work leans on the MSE hardest: Washington's DSHS, for example, requires a detailed MSE with every mental incapacity evaluation. If a note has room for only one objective element, the MSE is usually it.
The familiar ten-part list below is textbook convention, not a legal requirement, so adapt the headings to your setting. Each domain, with the pitfall that most often undermines it:
Appearance. Observable presentation: grooming, dress, apparent versus stated age, notable physical features. Pitfall: evaluative shorthand such as "disheveled" with nothing observable behind it; write what a reviewer could have seen.
Behavior and attitude. Eye contact, cooperation, rapport, and psychomotor activity such as agitation or slowing. Pitfall: "calm and cooperative" copied forward every visit; this is a point-in-time exam, and identical entries across sessions read as cloning.
Speech. Delivery, not content: rate, volume, fluency, latency; pressured, slowed, monotone, halting. Pitfall: describing what the client said; that belongs under thought content.
Mood. The client's own report of their internal state, ideally quoted. Pitfall: recording your inference as the client's mood; if the client says "fine," quote it and let affect carry your observation.
Affect. What you observe: range, intensity, stability, and congruence with mood and content. Pitfall: mood and affect that contradict each other with no comment; they are different data sources, and reviewers notice silent mismatches.
Thought process. Organization and flow: linear and goal-directed, circumstantial, tangential, loose. Pitfall: a label with no example; "tangential" earns its place with one sentence showing the tangent.
Thought content. Preoccupations, obsessions, delusions, and an explicit suicidal and homicidal ideation status. Pitfall: silence on SI/HI in a session where risk came up; state it either way and keep it consistent with your suicide risk assessment.
Perception. Hallucinations, illusions, and dissociative experiences, asked about or observed. Pitfall: writing "denies hallucinations" when you never asked; document only what you screened.
Cognition. Orientation, attention, concentration, and memory, observed or briefly tested. Pitfall: pasting an MMSE or MoCA score as the whole entry; a screening score can inform this domain, it cannot replace the exam.
Insight and judgment. Awareness of the condition, and the quality of recent decisions, each anchored to something the client actually said or did. Pitfall: bare "fair" or "poor" ratings with no example and no link to a treatment decision.
Client: [initials] Date/time: Setting: Embedded in: [intake / diagnostic evaluation / progress note / standalone] Appearance: Behavior and attitude: Speech: Mood (client's words): Affect: Thought process: Thought content (SI/HI status): Perception: Cognition (orientation, attention, memory): Insight: Judgment: Clinician signature/credentials: Date signed:
Free to use and share, no signup. The PDF includes a one-page cheat sheet with section-by-section pitfalls and a pre-sign checklist; the DOCX is the blank template, ready to adapt.
Scenario: adult client, initial diagnostic evaluation for depressive symptoms; this is the MSE section of that evaluation. All details are fictional.
Client: R.L., 41 · Date: 07/14/2026 · Service: Initial diagnostic evaluation, MSE section · Clinician: Licensed psychologist
Appearance: Arrived on time. Dressed appropriately for the weather, adequate grooming, appears stated age.
Behavior and attitude: Cooperative and engaged. Intermittent eye contact, mild psychomotor slowing, no agitation observed.
Speech: Normal rate and volume; noticeable pauses before answering.
Mood: "Worn out, like I'm running on empty."
Affect: Constricted and dysphoric, congruent with mood and content; brightened briefly when discussing family.
Thought process: Linear and goal-directed.
Thought content: Persistent worry about job performance. No delusions, obsessions, or phobias elicited. Denies current suicidal or homicidal ideation, plan, or intent; full risk screen documented in the evaluation's risk section.
Perception: Denies hallucinations and illusions when asked; none observed.
Cognition: Alert. Oriented to person, place, time, and situation. Attention intact through a 70-minute interview; registered 3 of 3 words and recalled 2 of 3 at five minutes, the third with a category cue.
Insight: Good. Connects low mood to six months of poor sleep and work stress, and identifies what has helped before.
Judgment: Intact. Sought evaluation independently and arranged work coverage to attend appointments.
This sample is fictional and for educational purposes. It does not describe a real patient.
Writing these after every session? BastionGPT drafts complete notes from bullets, dictation, or a transcript.
Generate a note from bulletsMSE findings live in the standard clinical record, the designated record set, and are not HIPAA psychotherapy notes: 45 CFR 164.501 excludes any summary of diagnosis, symptoms, functional status, prognosis, and progress from that protected category. Clients can request the exam, a release of information can send it to third parties, and courts can subpoena it. Write each domain as observables a stranger could verify, and keep hypothesis-level process material in segregated psychotherapy notes with their own authorization rules.
Where a complete MSE is expected is payer policy and convention, not statute. First Coast's LCD L33252 lists "a complete mental status exam" among the elements of a psychiatric diagnostic evaluation (90791, 90792) and pairs a mental status exam with a disposition in psychotherapy for crisis; other Medicare contractors phrase expectations differently, and no rule requires a full MSE in every routine psychotherapy note. Law enters in one narrow place: 42 CFR 482.61 requires inpatient psychiatric hospitals to complete a psychiatric evaluation containing "a record of mental status" within 60 hours of admission. Since January 1, 2021, office-visit E/M levels come from medical decision making or total time, so the exam documents clinical reality and medical necessity rather than setting the billing level (CY2021 fee schedule final rule). In Australia, MBS explanatory notes require "adequate and contemporaneous records" judged by Professional Services Review peers, with no MSE-specific content rule; in Canada, provincial college standards govern records and no statute names the exam. The format is a convention; the content is the requirement.
Domain completeness is rarely the direct denial trigger; behavioral health audits turn on time, signatures, and internal consistency, and the MSE is where inconsistency shows first. In a 2020 OIG audit of a psychiatric services provider, 99 of 100 sampled psychotherapy services failed Medicare requirements, time was undocumented in 82 of them, and the estimated $421,272 overpayment equaled 93 percent of everything paid. Exam quality is still measurable: one published audit cycle moved correctly recorded MSE parameters from 69 percent to 83 percent after a standardized format was introduced (Psychiatric Bulletin). The BastionGPT Clinical Advisory Board sees the same errors most often in mental status exam reviews:
BastionGPT is specifically trained, tuned, and clinically tested on mental status exam notes.
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HIPAA-compliant with a signed BAA on every plan. Your data is never used to train models. BastionGPT drafts, you review and sign.
No regulation requires it. Medicare contractor policy attaches "a complete mental status exam" to the psychiatric diagnostic evaluation (90791, 90792), and Medicare's Program Integrity Manual says progress notes "may be in any form or format." A brief, focused MSE in routine sessions is convention and good practice, not law: document what you observed and what changed.
The textbook list runs about ten domains: appearance, behavior and attitude, speech, mood, affect, thought process, thought content, perception, cognition, insight, and judgment. No US, Canadian, or Australian regulation specifies a required set or count, so adapt the headings to your setting and keep the observations concrete.
No. HIPAA's psychotherapy-notes definition excludes any summary of diagnosis, symptoms, functional status, prognosis, and progress, which is what an MSE is, and anything kept in the ordinary chart falls outside the protected category anyway. Treat the exam as releasable and discoverable, and keep private process notes segregated under their own authorization rules.
The MSE is a free-form clinical examination with no owner or fee. The MMSE is a scored 30-point cognitive screen, published in 1975 and enforced under copyright since 2000, and the MoCA requires training and certification for many of the clinicians who administer it. A score from either can inform the cognition domain; neither replaces the exam. Washington's DSHS guideline is explicit that an MMSE "cannot be substituted" for an MSE.
For genuinely unremarkable domains it is defensible. Reviewers read positive descriptive findings as stronger evidence than a blanket WNL, so spend words where the findings are: mood, affect, thought content, and anything abnormal. An all-WNL exam repeated identically across visits reads as cloning.
In thought content, as an explicit SI/HI status recorded either way. A screening or full suicide risk assessment is its own document; the MSE line should match it. Mismatches between the two are among the first things reviewers and attorneys look for.
Record what the modality lets you observe and name its limits: video hides gait and parts of appearance, audio-only hides everything visual. Note the modality, describe observable domains normally, and mark limited ones as not assessable rather than guessing. The telehealth therapy note page covers the session-level requirements.
The same exam. US sources, including the one federal rule that mentions it, say "mental status"; Australian and UK guidance, such as NSW Health's clinical documentation guidelines, says "mental state." Nothing regulatory follows from the name.
Yes. Give it a transcript, a dictation, or a few observation bullets and it drafts the MSE with each finding in the right domain, then checks for missing domains and internal consistency before you sign. BastionGPT is HIPAA-compliant with a signed BAA on every plan, and your data is never used to train models.
The compliance claims on this page trace to these authorities, last verified July 2026:
Educational content, not legal or billing advice. Sample notes are fictional. Follow your organization's policies and your board, payer, and jurisdiction requirements.