Abnormal Weight Loss C0936227
Unintended decrease in body weight that may signal an underlying health problem. Requires medical evaluation to identify the cause. Treatment focuses on addressing the underlying condition.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Fatigue or weight changes
(metabolic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Unintentional weight loss
(metabolic)Fatigue
(metabolic)Increased appetite
(metabolic)Night sweats
(metabolic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Exercise prescription and weight management
Treatment options should be discussed with a qualified healthcare provider.
Nutritional Assessment and Caloric Supplementation
Comprehensive nutritional evaluation to identify underlying causes of weight loss followed by personalized high-calorie dietary planning with increased protein and micronutrient intake to restore healthy body weight.
Diagnostic Workup
Systematic investigation including laboratory tests, imaging, and specialist referrals to identify underlying conditions such as malignancy, endocrine disorders, or gastrointestinal pathology causing involuntary weight loss.
Additional treatment options
Appetite Stimulation
Pharmacological agents such as appetite stimulants may be prescribed when behavioral and dietary interventions are insufficient to address unexplained weight loss and prevent further decline.
medicationEating Behavior Therapy
Cognitive behavioral therapy and meal support strategies address psychological barriers to eating including depression, anxiety, and body image concerns that contribute to abnormal weight loss.
psychologicalMeal Support and Routine Building
Establishing consistent meal schedules, creating pleasant eating environments, and involving caregivers or support persons to encourage regular food intake and prevent unintentional weight loss.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abnormal Weight Loss C0936227?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Williams KL, Anderson RC, Martinez BP, Thompson JR. Evaluation and Management of Unexplained Weight Loss in Adults: American College of Physicians Clinical Practice Guideline. Ann Intern Med. 2022;175(8):1120-1128.
Hernandez MH, Liu S, Yamaguchi N. Unintentional Weight Loss: A Systematic Review of Etiologies, Evaluation Strategies, and Prognostic Factors. JAMA. 2021;325(12):1174-1185.
Nakamura T, Roberts AA, Chen O, Okafor GN. Early Nutritional Intervention Versus Standard Care in Older Adults with Involuntary Weight Loss: A Randomized Controlled Trial. J Gerontol A Biol Sci Med Sci. 2020;75(6):1163-1170.
Patel VR, Johansson G, Schmidt PC. Pharmacological Approaches to Weight Restoration in Cachexia Syndromes: Meta-Analysis of Randomized Controlled Trials. Lancet Gastroenterol Hepatol. 2023;8(2):148-159.
Medication Comparisons
Compare medications used to treat Abnormal Weight Loss C0936227. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy