Is R64 a billable code?
Yes. R64 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
R64: Cachexia
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
R64 is a billable ICD-10-CM diagnosis code for cachexia. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with R64 already added.Good Faith EstimateStart a cost estimate with R64 already added.CMS-1500 Claim FormFill a claim form with R64 in box 21.
R64 questions
What does R64 mean?
R64 is the ICD-10-CM code for Cachexia. It is in chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.