ICD-10 Codes for Weight Loss: R63.4, Z71.3 and Counseling Billing
The ICD-10 code for unintentional (abnormal) weight loss is R63.4. For intentional weight loss or dietary counseling, use Z71.3 (Dietary counseling and surveillance), paired with the condition being treated, such as an obesity code (E66.-) and a BMI code (Z68.-). Medicare obesity counseling is billed with HCPCS G0447. Weight Loss & Dietary Counseling Billing Guide:…