Weight Loss ICD-10-CM Codes

Discover the 2023 ICD-10-CM codes for weight loss. This thorough manual covers billable codes, clinical descriptions, synonyms, and more to help with correct diagnosis and reporting.

By Ashleigh Knowles on Feb 29, 2024.

Fact Checked by Nate Lacson.

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Weight Loss ICD-10-CM Codes

What ICD-10 Codes are Used for Weight Loss?

Weight Loss is a complex medical condition with various underlying causes. Accurate ICD-10-CM codes are crucial for medical billing and documentation. Below are the commonly used codes for Weight Loss:

R63.0 - Anorexia: This code is used to classify cases where a patient is experiencing a significant loss of appetite or a reduction in food intake, resulting in weight loss or nutritional deficiency.

R63.1 - Polydipsia: This code is used to classify cases where a patient is experiencing excessive thirst and an abnormally high intake of fluids.

R63.2 - Polyphagia: This code is used to classify cases where a patient is experiencing excessive hunger and an abnormally increased appetite.

R63.3 - Feeding difficulties and mismanagement: This code is used to classify cases where a patient is experiencing problems with eating and nutrition due to various factors, including physical or psychological issues, lack of caregiver support, or other problems related to food intake and management.

R63.4 - Abnormal weight loss: This code is used to classify cases where a patient has experienced significant and unintentional weight loss not due to intentional dietary changes or exercise.

R63.5 - Abnormal weight gain: This code is used to classify cases where a patient has experienced significant and unintentional weight gain not due to intentional diet or physical activity changes.

R63.6 - Underweight: This code is used to classify cases where a patient has a body weight below the normal or healthy range for their age, height, and sex.

R63.7 - Cachexia: This code is used to classify cases where a patient is experiencing cachexia, which is a severe and often life-threatening form of weight loss and muscle wasting that is not solely the result of inadequate nutrition.

R63.8 - Other symptoms and signs concerning food and fluid intake: This code is used to classify cases where a patient is experiencing symptoms or signs related to their eating and drinking habits or patterns, but another code does not specify the specific symptom or movement.

R63.9 - Symptoms and signs concerning food and fluid intake, unspecified: This code is used when a patient is experiencing symptoms or signs related to their eating and drinking habits or patterns, but the specific symptom or movement is not further specified, and there is not enough information to code a more precise diagnosis.

Which Weight Loss ICD codes are Billable?

The following ICD-10-CM codes for Weight Loss are billable:

R63.0 - Yes, billable: Anorexia-related weight loss can be billed when accurately coded.

R63.1 - Yes, billable: Polydipsia-related weight loss is eligible for reimbursement.

R63.2 - Yes, billable: Polyphagia-related weight loss can be billed when documented accurately.

R63.3 - Yes, billable: Weight loss due to feeding difficulties and mismanagement can be reimbursed when coded appropriately.

R63.4 - Yes, billable: Abnormal weight loss is eligible for reimbursement when accurately coded.

R63.5 - Yes, billable: Abnormal weight gain is billable when documented accurately.

R63.6 - Yes, billable: Underweight without a specific cause can be reimbursed.

R63.7 - Yes, billable: Cachexia-related weight loss is eligible for reimbursement.

R63.8 - Yes, billable: Other symptoms and signs concerning food and fluid intake are billable when coded accurately.

R63.9 - Yes, billable: Unspecified symptoms related to food and fluid intake can be reimbursed when specific symptoms are not documented.

Clinical Information

  • Weight loss in healthcare practice can result from various factors, including intentional efforts, underlying medical conditions, or unintentional causes.
  • Intentional weight loss may involve lifestyle modifications like diet and exercise or medical interventions like bariatric surgery.
  • Unintentional weight loss may indicate underlying health issues, including cancer, gastrointestinal disorders, or metabolic conditions.
  • Weight loss assessment should include a thorough medical history, physical examination, and evaluation of dietary and activity patterns.
  • Diagnostic tests, such as blood work and imaging, can help identify the cause of unintentional weight loss.
  • Managing weight loss depends on the underlying cause and may involve addressing medical conditions, modifying medications, or providing nutritional support.
  • A multidisciplinary approach involving dietitians, psychologists, and healthcare providers may be necessary for comprehensive care.
  • Continuous monitoring and follow-up are essential to track progress and address any emerging issues related to weight loss.
  • Healthcare practitioners should consider patient preferences and goals when developing a weight management plan and provide support and education.
  • Encouraging a balanced and sustainable approach to weight management is crucial for long-term health and well-being.

Synonyms Include

  • Unexplained Weight Loss
  • Involuntary Weight Loss
  • Abnormal Weight Changes
  • Appetite Loss
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Commonly asked questions

When should I be concerned about unexplained weight loss?

If you experience significant and unexplained weight loss, it's essential to consult a healthcare provider, as it can be a symptom of underlying medical conditions that require attention.

What tests are typically done to investigate the cause of weight loss?

Depending on the suspected underlying condition, diagnostic tests may include blood tests, imaging studies (such as X-rays or CT scans), endoscopy, and other specialized tests.

Can mental health conditions cause weight loss?

Yes, conditions like depression, anxiety, and eating disorders can lead to changes in appetite and weight loss.

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