Mental status examination

Mental status examination
Mental status examination
ICD-9-CM	94.09, 94.11
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The mental status examination (MSE) is an important part of the clinical assessment process in neurological and psychiatric practice. It is a structured way of observing and describing a patient's psychological functioning at a given point in time, under the domains of appearance, attitude, behavior, mood and affect, speech, thought process, thought content, perception, cognition, insight, and judgment.^[1] There are some minor variations in the subdivision of the MSE and the sequence and names of MSE domains.

The purpose of the MSE is to obtain a comprehensive cross-sectional description of the patient's mental state, which, when combined with the biographical and historical information of the psychiatric history, allows the clinician to make an accurate diagnosis and formulation, which are required for coherent treatment planning.

The data are collected through a combination of direct and indirect means: unstructured observation while obtaining the biographical and social information, focused questions about current symptoms, and formalised psychological tests.^[2]

The MSE is not to be confused with the mini–mental state examination (MMSE), which is a brief neuropsychological screening test for dementia.

^ Trzepacz, PT; Baker RW (1993). The Psychiatric Mental Status Examination. Oxford, U.K.: Oxford University Press. p. 202. ISBN 0-19-506251-5.
^ Trzepacz & Baker (1993) Ch 1

[Trzepacz-1] Trzepacz, PT; Baker RW (1993). The Psychiatric Mental Status Examination. Oxford, U.K.: Oxford University Press. p. 202. ISBN 0-19-506251-5.

[2] Trzepacz & Baker (1993) Ch 1

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