ICD-10-CM Billable Code

R46.5

Suspiciousness and marked evasiveness

Clinical Classification Guidelines

Medical Intelligence & Overview

ICD-10 code R46.5 refers to the clinical presentation characterized by suspiciousness and marked evasiveness. This diagnosis pertains to individuals exhibiting behaviors and mental states where they are highly distrustful of others and tend to avoid social interactions or questions. Recognizing these signs is crucial in mental health assessments, although the code itself does not specify a particular mental health disorder. Instead, it highlights observable features that may be part of various psychological conditions or situational responses.

Causes & Symptoms

Clinical Causes: Underlying psychiatric conditions such as paranoid personality disorder or paranoid schizophrenia. Traumatic experiences that lead to mistrust and avoidance behaviors. Stressful life events or ongoing conflicts increasing suspicion and evasiveness. Substance misuse affecting perception and social behavior. Cultural or societal influences shaping mistrust or defensive behaviors.

Key Symptoms: Persistent suspicion about others’ motives or actions. Reluctance to share personal information or feelings. Avoidance of social situations or interactions. Difficulty trusting friends, family, or colleagues. Feeling guarded or defensive in conversations. Possible signs of social withdrawal or isolation.

Diagnostic & Treatment

Diagnosis Path: A healthcare professional assesses suspiciousness and evasiveness through detailed clinical interviews, observation, and sometimes psychological testing. The clinician explores the individual's history, behavioral patterns, and any underlying mental health conditions. This evaluation helps determine if these behaviors are part of a broader psychological disorder or a temporary response to stress. As ICD-10 code R46.5 is descriptive rather than diagnostic, it may be used when these behaviors are prominent but without an established specific diagnosis.

Treatment Protocols: Management typically involves psychotherapy aimed at addressing underlying thoughts and feelings contributing to suspiciousness and evasiveness. Cognitive-behavioral therapy (CBT) is often employed to challenge mistrustful beliefs and improve social functioning. Pharmacotherapy might be considered if these behaviors are part of a broader mental health condition such as schizophrenia or another psychotic disorder. Supportive counseling and social skills training can also be beneficial in helping individuals build trust and engage more comfortably with others.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is R46.5 a billable ICD-10 code?
Yes, R46.5 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report R46.5?
Clinical documentation must specify the nature of Suspiciousness and marked evasiveness and any associated comorbidities for accurate reporting.

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