R63.0
BillableAnorexia
Anorexia
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Loss of appetite
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
Related Codes(7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(56)
SNOMED CT
- Decrease in appetite64379006
- Poor appetite64379006
- Reduced appetite64379006
- Anorexia79890006
- Anorexic79890006
- Loss of appetite79890006
- No appetite79890006
- Off food79890006
- Cafe au lait spots201281002
- Cafe-au-lait spots201281002
- Café au lait spot201281002
- Café au lait spots201281002
- No interest in food249469002
- Finding of quantity of appetite289162002
- Observation of quantity of appetite289162002
- Progressive encephalopathy with severe infantile anorexia715794009
- RAVINE syndrome715794009
- FACES (facial dysmorphism, anorexia, cachexia, eye and skin anomalies) syndrome782949007
- Facial dysmorphism, anorexia, cachexia, eye and skin anomalies syndrome782949007
- Friedman Goodman syndrome782949007
UMLS
Clinical Terms
- anorexic
- Cafe au lait spots
- loss of appetite
- Café au lait spot
- Observation of quantity of appetite
- no appetite
- RAVINE syndrome
- lack of appetite
- Friedman Goodman syndrome
- No interest in food
- appetite loss
- anorectic
- Decrease in appetite
- Anorexias
- Facial dysmorphism, anorexia, cachexia, eye and skin anomalies syndrome
- Poor appetite
- Progressive encephalopathy with severe infantile anorexia
- Off food
- Reduced appetite
- Finding of quantity of appetite
- Café au lait spots
- FACES (facial dysmorphism, anorexia, cachexia, eye and skin anomalies) syndrome
- lost appetite
- Cafe-au-lait spots
Frequently Asked Questions
What is the ICD-10 code for anorexia?
The ICD-10-CM code for anorexia is R63.0. The full clinical description is "Anorexia". R63.0 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R63.0 mean?
ICD-10-CM code R63.0 represents “Anorexia”. 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 R63.0 a billable code?
Yes, R63.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R63.0 in?
R63.0 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R63.0?
R63.0 has Excludes1 notes indicating codes that cannot be used together with it, including: bulimia NOS (F50.2-); anorexia nervosa (F50.0-); loss of appetite of nonorganic origin (F50.89).
What SNOMED CT codes does R63.0 map to?
R63.0 maps to 7 SNOMED CT concepts: 79890006, 201281002, 64379006, 782949007, 289162002, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R63.0?
R63.0 is linked to 1 UMLS Concept Unique Identifier: C0003123. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R63.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like anorexia 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 R63.0?
R63.0 maps to the ICD-11 code: MG43.7 (Anorexia).
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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.