R63.5 – Abnormal weight gain
ICD-10-CM 2027 diagnosis code · General symptoms and signs
ICD-10-CM code
R63.5
- Code
R63.5(claims format:R635)- Description
- Abnormal weight gain
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R50-R69 General symptoms and signs
- Parent codes
- R63
Notes for R63.5
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
R63 – Symptoms and signs concerning food and fluid intake
Excludes1 (not coded here):
- bulimia NOS (F50.2-)
Index terms for R63.5
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in R63
- R63.0 – AnorexiaBillable
- R63.1 – PolydipsiaBillable
- R63.2 – PolyphagiaBillable
- R63.3 – Feeding difficultiesHeader
- R63.4 – Abnormal weight lossBillable
- R63.6 – UnderweightBillable
- R63.8 – Other symptoms and signs concerning food and fluid intakeBillable
Frequently asked questions
What is ICD-10 code R63.5?
R63.5 is the ICD-10-CM code for abnormal weight gain, in the block R50-R69 (General symptoms and signs).
Is R63.5 a billable code?
Yes. R63.5 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does R63.5 belong to?
It belongs to category R63 – Symptoms and signs concerning food and fluid intake.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.