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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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R40-R46
Symptoms and signs involving cognition, perception, emotional state and behavior
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R43-
Disturbances of smell and taste
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2021 ICD-10-CM Diagnosis Code R43.9
2021 ICD-10-CM Diagnosis Code R43.9
Unspecified disturbances of smell and taste
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- R43.9 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 R43.9 became effective on October 1, 2020.
- This is the American ICD-10-CM version of R43.9 - other international versions of ICD-10 R43.9 may differ.
The following code(s) above
R43.9 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
R43.9:
- Disorder of taste
- Sensory disorder, taste sense altered
Clinical Information
- Our senses of taste and smell give us great pleasure. Taste helps us enjoy food and beverages. Smell lets us enjoy the scents and fragrances like roses or coffee. Taste and smell also protect us, letting us know when food has gone bad or when there is a gas leak. They make us want to eat, ensuring we get the nutrition we need. People with taste disorders may taste things that aren't there, may not be able to tell the difference in tastes or can't taste at all. People with smell disorders may lose their sense of smell, or things may smell different. A smell they once enjoyed may now smell bad to them. Many illnesses and injuries can cause taste and smell disorders, including colds and head injuries. Some drugs can also affect taste and smell. Most people lose some ability to taste and smell as they get older. Treatment varies, depending on the problem and its cause. nih: national institute on deafness and other communication disorders
ICD-10-CM R43.9 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 091 Other disorders of nervous system with mcc
- 092 Other disorders of nervous system with cc
- 093 Other disorders of nervous system without cc/mcc
Convert R43.9 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
- Disturbance(s) - see also Disease
- sensation (cold) (heat) (localization) (tactile discrimination) (texture) (vibratory) R20.9
ICD-10-CM Diagnosis Code R20.9
Unspecified disturbances of skin sensation
2016 2017 2018 2019 2020 2021 Billable/Specific Code
ICD-10-CM Codes Adjacent To R43.9
R41.844 Frontal lobe and executive function deficit
R41.89 Other symptoms and signs involving cognitive functions and awareness
R41.9 Unspecified symptoms and signs involving cognitive functions and awareness
R42 Dizziness and giddiness
R43 Disturbances of smell and taste
R43.8 Other disturbances of smell and taste
R43.9
Unspecified disturbances of smell and taste
R44 Other symptoms and signs involving general sensations and perceptions
R44.0 Auditory hallucinations
R44.1 Visual hallucinations
R44.2 Other hallucinations
R44.3 Hallucinations, unspecified
R44.8 Other symptoms and signs involving general sensations and perceptions
R44.9 Unspecified symptoms and signs involving general sensations and perceptions
R45 Symptoms and signs involving emotional state
R45.1 Restlessness and agitation
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
