R64

Billable

Cachexia

R64 is the ICD-10-CM code for Cachexia. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
R00-R99
Edition
FY2026

R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Excludes1 — not coded here

  • abnormal weight loss (R63.4)
  • cachexia due to underlying condition (E88.A)
  • nutritional marasmus (E41)

Frequently asked questions

What is ICD-10 code R64?
R64 is the ICD-10-CM code for "Cachexia". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R64 a billable code?
Yes — R64 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from R64?
Excludes1 (not coded here): abnormal weight loss (R63.4); cachexia due to underlying condition (E88.A); nutritional marasmus (E41).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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