R64 ICD-10-CM Code: Cachexia
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
R64Cachexia
ICD-10-CM diagnosis code · United States clinical modification
Where R64 sits
- 1
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- 2
Section
General symptoms and signs (R50-R69)
- 3
Category R64
Cachexia
- 4
Code R64
Cachexia
Notes for this code
Inclusion terms
No inclusion terms are listed for R64.
Code first
No “code first” instruction is listed for R64.
Use additional code
No “use additional code” instruction is listed for R64.
Excludes1
Conditions that should not be reported together with this code.
- abnormal weight loss (R63.4)
- cachexia due to underlying condition (E88.A)
- nutritional marasmus (E41)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for R64.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code R64 mean?
R64 is the FY 2027 U.S. ICD-10-CM code for “Cachexia.”
Is R64 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, R64 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is R64 located in ICD-10-CM?
R64 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within General symptoms and signs (R50-R69) (R50–R69), under category R64, Cachexia.
What coding notes are listed for R64?
No inclusion terms are listed for R64 in this reference record. No code-first instruction is listed. Excludes1 notes: abnormal weight loss (R63.4); cachexia due to underlying condition (E88.A); nutritional marasmus (E41). No Excludes2 note is listed.