R64
BillableCachexia
Cachexia
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(83)
SNOMED CT
- Inanition48026007
- Diffuse dermatitis58921009
- Cafe au lait spots201281002
- Cafe-au-lait spots201281002
- Café au lait spot201281002
- Café au lait spots201281002
- Cachectic238108007
- Cachexia238108007
- Severe systemic illness tissue wasting238153009
- Muscle cachexia240128005
- Weight decreased262285001
- Weight loss262285001
- Abnormal decrease in weight267024001
- Abnormal weight loss267024001
- Cardiac cachexia284529003
- Distribution of body fat loss - finding366535007
- Finding of distribution of body fat loss366535007
- Emaciated371597004
- Emaciated build371597004
- AIDS-associated abnormal weight loss421695000
- Abnormal weight loss associated with AIDS421695000
- Abnormal weight loss associated with acquired immunodeficiency syndrome421695000
- Cachexia associated with AIDS422003001
- Cachexia associated with acquired immunodeficiency syndrome422003001
- Congenital erythroderma, hypotrichosis, recurrent infections, multiple food allergies syndrome774211005
- SAM syndrome774211005
- Severe dermatitis, multiple allergies, metabolic wasting syndrome774211005
- FACES (facial dysmorphism, anorexia, cachexia, eye and skin anomalies) syndrome782949007
- Facial dysmorphism, anorexia, cachexia, eye and skin anomalies syndrome782949007
- Friedman Goodman syndrome782949007
- Cachexia due to malignant neoplastic disease788876001
- Malignant cachexia788876001
- Muscle atrophy due to malignant neoplastic disease788876001
- AIDS (acquired immunodeficiency syndrome) wasting syndrome1260096003
- Acquired immunodeficiency syndrome wasting syndrome1260096003
- Slim disease1260096003
- Wasting syndrome due to acquired immunodeficiency syndrome1260096003
UMLS
Clinical Terms
- Cafe au lait spots
- Cachexia associated with acquired immunodeficiency syndrome
- Weight decreased
- Café au lait spot
- Severe dermatitis, multiple allergies, metabolic wasting syndrome
- Acquired immunodeficiency syndrome wasting syndrome
- Inanition
- Cachexia due to malignant neoplastic disease
- Abnormal weight loss associated with acquired immunodeficiency syndrome
- Abnormal decrease in weight
- Abnormal weight loss associated with AIDS
- Distribution of body fat loss - finding
- Emaciated build
- Cachectic
- Diffuse dermatitis
- Slim disease
- Friedman Goodman syndrome
- SAM syndrome
- Wasting syndrome due to acquired immunodeficiency syndrome
- Finding of distribution of body fat loss
- Emaciated
- Abnormal weight loss
- Facial dysmorphism, anorexia, cachexia, eye and skin anomalies syndrome
- Congenital erythroderma, hypotrichosis, recurrent infections, multiple food allergies syndrome
- Severe systemic illness tissue wasting
- Café au lait spots
- Cardiac cachexia
- Muscle atrophy due to malignant neoplastic disease
- Malignant cachexia
- AIDS-associated abnormal weight loss
- Cachexia associated with AIDS
- Muscle cachexia
- FACES (facial dysmorphism, anorexia, cachexia, eye and skin anomalies) syndrome
- Weight loss
- Cachexia (finding)
- Cafe-au-lait spots
- General body deterioration
- Wasting syndrome
- AIDS (acquired immunodeficiency syndrome) wasting syndrome
Frequently Asked Questions
What is the ICD-10 code for cachexia?
The ICD-10-CM code for cachexia is R64. The full clinical description is "Cachexia". R64 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R64 mean?
ICD-10-CM code R64 represents “Cachexia”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R64 a billable code?
Yes, R64 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R64 in?
R64 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R64?
R64 has Excludes1 notes indicating codes that cannot be used together with it, including: abnormal weight loss (R63.4); cachexia due to underlying condition (E88.A); nutritional marasmus (E41).
What SNOMED CT codes does R64 map to?
R64 maps to 17 SNOMED CT concepts: 1260096003, 421695000, 267024001, 238108007, 422003001, and 12 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R64?
R64 is linked to 1 UMLS Concept Unique Identifier: C0006625. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R64 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like cachexia affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R64?
R64 maps to the ICD-11 code: MG20.Z (Cachexia, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.