F45.21 Hypochondriasis

Name of the Condition

• Hypochondriasis
• Also known as Illness Anxiety Disorder

Summary

Hypochondriasis is a mental health condition marked by an excessive preoccupation or fear of having a serious, undiagnosed medical illness. This anxiety persists despite reassurance from medical evaluations and can lead to significant distress and impairment in daily functioning.

Causes

The precise cause is unknown, but it is believed to result from a combination of psychological, biological, and environmental factors. A history of childhood illness or trauma, or having parents who were excessively concerned with health may contribute.

Risk Factors

• Family history of mental health disorders such as depression or anxiety.
• Major life stressors or a history of abuse or trauma.
• Highly sensitive disposition or negative outlook on life.

Symptoms

• Persistent worry about having a serious illness.
• Frequent medical appointments and examinations.
• Avoidance of situations due to fear of illness.
• Excessive health-related internet searches.

Diagnosis

Primarily diagnosed based on thorough psychological evaluation and excluding other medical conditions through necessary physical examinations.

Treatment Options

• Cognitive Behavioral Therapy (CBT) is the most effective form of psychotherapy.
• Medications such as selective serotonin reuptake inhibitors (SSRIs) may be used to manage anxiety.
• Regular follow-up with a mental health professional to monitor progress.

Prognosis and Follow-Up

Prognosis varies; early intervention improves outcomes. Regular follow-up with a mental health provider is recommended to manage symptoms and prevent relapse.

Complications

• Chronic anxiety and distress.
• Impaired social and occupational functioning.
• Increased healthcare utilization due to frequent medical visits.

Lifestyle & Prevention

• Practice stress-reduction techniques such as mindfulness or exercise.
• Limit excessive health-related internet searches.
• Maintain open communication with healthcare providers about concerns.

When to Seek Professional Help

Seek help if preoccupation with illness causes significant distress, interferes with daily life, or persists despite medical reassurance.

Tips for Medical Coders

Document the patient’s excessive preoccupation with having a serious illness, the persistence of this fear despite negative medical evaluations, and any resulting impairment in daily functioning. Ensure thorough clinical notes support the diagnosis and exclude other medical conditions.