ICD-10-CM Billable Code

E66.1

Drug-induced obesity

Clinical Classification Guidelines

Use Additional Code

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Medical Intelligence & Overview

Drug-induced obesity is a condition where an individual's weight gain is primarily caused by the side effects of certain medications. Unlike obesity influenced by lifestyle or genetic factors alone, this form of obesity is directly linked to specific drugs that affect appetite, metabolism, or fat storage. Recognizing this condition can help in managing weight concerns that arise during medication use and adjusting treatment plans under medical supervision.

Causes & Symptoms

Clinical Causes: Use of corticosteroids, such as prednisone, which can increase appetite and promote fat accumulation. Certain antidepressants, including tricyclic antidepressants and selective serotonin reuptake inhibitors (SSRIs). Antipsychotic medications, especially second-generation drugs like olanzapine and risperidone. Antiepileptic drugs, such as valproic acid and gabapentin. Hormonal therapies, including some treatments for endocrine disorders. Other medications that may alter metabolism or increase appetite as side effects.

Key Symptoms: Noticeable increase in body weight over a period of medication use. Fat accumulation primarily around the abdomen, hips, and thighs. Increased feelings of hunger or craving for high-calorie foods. Possible swelling or fluid retention in some cases. Reduced physical activity due to discomfort or fatigue related to weight gain.

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves reviewing the patient's medication history in conjunction with physical examinations and weight tracking. Healthcare providers may order additional tests to rule out other causes of weight gain and assess the effect of the medication. The clinician will evaluate whether weight changes correlate with medication initiation or dosage adjustments, often collaborating with the prescribing healthcare professional to determine the best course of action.

Treatment Protocols: Review and adjustment of the causative medication: In some cases, alternative medications with fewer weight-related side effects may be considered. Lifestyle modifications: Incorporating a balanced diet and regular physical activity to help control weight. Behavioral therapy: Support to develop healthy eating habits and coping strategies. Monitoring: Regular follow-up appointments to assess weight trends and side effects. Medical interventions: In certain situations, medications for weight management might be considered under medical supervision, especially if weight gain poses significant health risks. Addressing underlying health conditions: Managing any associated health issues such as diabetes, hypertension, or metabolic syndrome.

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 E66.1 a billable ICD-10 code?
Yes, E66.1 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report E66.1?
Clinical documentation must specify the nature of Drug-induced obesity and any associated comorbidities for accurate reporting.

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Clinical Meta Tags

obesity