R63Symptoms and signs concerning food and fluid intake
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use R63 directly
Use the most specific code supported by the record.
- Chapter XVIII
- Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Group R50-R69
- General symptoms and signs
- Official Vietnamese name
- Triệu chứng và/hoặc dấu hiệu liên quan đến ăn uống thức ăn và/hoặc đồ uống
- Additional WHO coding guidance
- Excl.: bulimia NOS (F50.2) eating disorders of nonorganic origin (F50.-) malnutrition (E40-E46)
Related R63 codes
R63.0
Primary diagnosis candidate
Anorexia
R63.1
Primary diagnosis candidate
Polydipsia
R63.2
Primary diagnosis candidate
Polyphagia
R63.3
Primary diagnosis candidate
Feeding difficulties and mismanagement
R63.4
Primary diagnosis candidate
Abnormal weight loss
R63.5
Primary diagnosis candidate
Abnormal weight gain
R63.6
Primary diagnosis candidate
Insufficient intake of food and water
R63.8
Primary diagnosis candidate
Other symptoms and signs concerning food and fluid intake
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
