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ICD-10-CM Codes
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R00-R99
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
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R50-R69
General symptoms and signs
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R63-
Symptoms and signs concerning food and fluid intake
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2021 ICD-10-CM Diagnosis Code R63.0
2021 ICD-10-CM Diagnosis Code R63.0
Anorexia
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- R63.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM R63.0 became effective on October 1, 2020.
- This is the American ICD-10-CM version of R63.0 - other international versions of ICD-10 R63.0 may differ.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as R63.0. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
The following code(s) above
R63.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
R63.0:
Approximate Synonyms
Clinical Information
- A disorder characterized by a loss of appetite.
- An abnormal loss of the appetite for food. Anorexia can be caused by cancer, aids, a mental disorder (i.e., anorexia nervosa), or other diseases.
- Clinical manifestation consisting of a physiopathological lack or loss of appetite accompanied by an aversion to food and the inability to eat.
- Loss of appetite.
- The lack or loss of appetite accompanied by an aversion to food and the inability to eat. It is the defining characteristic of the disorder anorexia nervosa.
ICD-10-CM R63.0 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 640 Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes with mcc
- 641 Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes without mcc
Convert R63.0 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
Code annotations containing back-references to R63.0:
ICD-10-CM Codes Adjacent To R63.0
R61 Generalized hyperhidrosis
R62 Lack of expected normal physiological development in childhood and adults
R62.0 Delayed milestone in childhood
R62.5 Other and unspecified lack of expected normal physiological development in childhood
R62.50 Unspecified lack of expected normal physiological development in childhood
R62.51 Failure to thrive (child)
R62.59 Other lack of expected normal physiological development in childhood
R62.7 Adult failure to thrive
R63 Symptoms and signs concerning food and fluid intake
R63.0
Anorexia
R63.3 Feeding difficulties
R63.4 Abnormal weight loss
R63.5 Abnormal weight gain
R63.8 Other symptoms and signs concerning food and fluid intake
R65 Symptoms and signs specifically associated with systemic inflammation and infection
R65.1 Systemic inflammatory response syndrome (SIRS) of non-infectious origin
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.