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R63.4

Billable

Abnormal weight loss

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Unintended loss of body weight that occurs without deliberate dieting, often indicating an underlying medical condition or illness.

Coding Tips

  • •Document the amount of weight loss and timeframe when available to support medical necessity
  • •Investigate and code the underlying cause (malignancy, hyperthyroidism, malabsorption) separately when identified

Code Hierarchy

└R63Symptoms and signs concerning food and fluid intake└R63.4Abnormal weight loss
└R63.4Abnormal weight loss

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